Karan Singh and Koki Matsuda, both ranked in the low 500s on the ATP Tour with career highs near 388-477, meet in the first round of the Samsun Challenger on outdoor hard courts. Singh, a 23-year-old Indian right-hander, has competed primarily in recent Indian ITF and challenger events, while 25-year-old Japanese player Matsuda arrives after a three-set loss in Segovia the prior week. With no prior head-to-head meetings and comparable recent win rates around 60 percent on hard, the matchup hinges on serve consistency, return pressure, and adaptation to the Turkish conditions. The winner advances into a draw featuring several similarly ranked competitors, where rest and recovery between rounds could influence progression.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedThis market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to 'Karan Singh' if Karan Singh advances against Koki Matsuda.
This market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Karan Singh.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under."
A super tie breaker is considered as one (1) set for total set markets.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to “Singh” if Karan Singh wins the first set. It will resolve to “Matsuda” if Koki Matsuda wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official Challenger match statistics.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to “Singh” if Karan Singh wins set 2. It will resolve to “Matsuda” if Koki Matsuda wins set 2.
If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official Challenger match statistics.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Singh" if Karan Singh wins by 2 or more sets than Koki Matsuda, based on the final completed score. Otherwise, it will resolve to "Matsuda."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Koki Matsuda and Karan Singh in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Matsuda" if Koki Matsuda wins by 2 or more sets than Karan Singh, based on the final completed score. Otherwise, it will resolve to "Singh."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 24. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.Karan Singh and Koki Matsuda, both ranked in the low 500s on the ATP Tour with career highs near 388-477, meet in the first round of the Samsun Challenger on outdoor hard courts. Singh, a 23-year-old Indian right-hander, has competed primarily in recent Indian ITF and challenger events, while 25-year-old Japanese player Matsuda arrives after a three-set loss in Segovia the prior week. With no prior head-to-head meetings and comparable recent win rates around 60 percent on hard, the matchup hinges on serve consistency, return pressure, and adaptation to the Turkish conditions. The winner advances into a draw featuring several similarly ranked competitors, where rest and recovery between rounds could influence progression.
This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to 'Karan Singh' if Karan Singh advances against Koki Matsuda.
This market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Karan Singh.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
This market will resolve to 'Karan Singh' if Karan Singh advances against Koki Matsuda.
This market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Karan Singh.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Jul 26, 2026, 3:25 AM ET
Volume
$54,687End Date
Aug 3, 2026Market Opened
Jul 26, 2026, 3:25 AM ETResolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to 'Karan Singh' if Karan Singh advances against Koki Matsuda.
This market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Karan Singh.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET. This market will resolve to "Yes" if all games and sets required to determine a match winner under governing body or event organizer rules are played to completion through normal play. Otherwise, if the match is not completed for any reason, it will resolve to "No." If a forfeit of any kind occurs, including but not limited to a walkover or retirement, this market will resolve "No." If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to "No." The primary resolution source for this market is the official statistics of the event as recognized by the governing body or event organizers. However, if the governing body or event organizers have not published final match statistics within 2 hours after the event's conclusion, a consensus of credible reporting may be used instead.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of sets completed equals or exceeds 3. Otherwise, it will resolve to "Under."
A super tie breaker is considered as one (1) set for total set markets.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to “Singh” if Karan Singh wins the first set. It will resolve to “Matsuda” if Koki Matsuda wins the first set.
If the match begins but is not completed, and the first set is concluded with a winner determined, this market will resolve based on that completed set. If the first set is not completed for any reason, this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official Challenger match statistics.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to “Singh” if Karan Singh wins set 2. It will resolve to “Matsuda” if Koki Matsuda wins set 2.
If the match begins but set 2 is not completed with a winner determined (including the match ending before set 2 is reached), this market will resolve 50-50.
If the match is canceled (not played at all) or is delayed beyond 7 days from the scheduled date without play beginning, this market will resolve 50-50.
Resolution will be based on official Challenger match statistics.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Singh" if Karan Singh wins by 2 or more sets than Koki Matsuda, based on the final completed score. Otherwise, it will resolve to "Matsuda."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 22. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Koki Matsuda and Karan Singh in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Matsuda" if Koki Matsuda wins by 2 or more sets than Karan Singh, based on the final completed score. Otherwise, it will resolve to "Singh."
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 23. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed across all sets equals or exceeds 24. Otherwise, it will resolve to "Under."
All tiebreaks—including any Champions/Super tiebreak—count as one (1) game toward the total.
If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50.
Resolution will be based on official Challenger statistics.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 9. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 9. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 10. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 10. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in set 2 equals or exceeds 11. Otherwise, it will resolve to "Under."
Any tiebreak in set 2 counts as one (1) game toward the total.
If set 2 is not completed for any reason (including the match ending before set 2 is reached), this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to "Over" if the total number of games completed in the first set equals or exceeds 11. Otherwise, it will resolve to "Under."
Any first-set tiebreak counts as one (1) game toward the total.
If the first set is not completed for any reason, this market will resolve 50-50. If the match is canceled before play begins, or delayed beyond 7 days without commencement, this market will also resolve 50-50.
Resolution will be based on official Challenger results.Karan Singh and Koki Matsuda, both ranked in the low 500s on the ATP Tour with career highs near 388-477, meet in the first round of the Samsun Challenger on outdoor hard courts. Singh, a 23-year-old Indian right-hander, has competed primarily in recent Indian ITF and challenger events, while 25-year-old Japanese player Matsuda arrives after a three-set loss in Segovia the prior week. With no prior head-to-head meetings and comparable recent win rates around 60 percent on hard, the matchup hinges on serve consistency, return pressure, and adaptation to the Turkish conditions. The winner advances into a draw featuring several similarly ranked competitors, where rest and recovery between rounds could influence progression.
This market refers to the tennis match between Karan Singh and Koki Matsuda in the Samsun, originally scheduled for July 27, 2026 at 3:00AM ET.
This market will resolve to 'Karan Singh' if Karan Singh advances against Koki Matsuda.
This market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Karan Singh.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
This market will resolve to 'Karan Singh' if Karan Singh advances against Koki Matsuda.
This market will resolve to 'Koki Matsuda' if Koki Matsuda advances against Karan Singh.
If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.
If the match begins but is not completed, and one player advances due to the opponent's retirement, default, or disqualification, this market will resolve to the player who advances.
If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve to 50-50.
The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.
Market Opened: Jul 26, 2026, 3:25 AM ET
Volume
$54,687End Date
Aug 3, 2026Market Opened
Jul 26, 2026, 3:25 AM ETResolution Source
https://www.atptour.com/en/scores/currentResolver
0x65070BE91...Karan Singh and Koki Matsuda, both ranked in the low 500s on the ATP Tour with career highs near 388-477, meet in the first round of the Samsun Challenger on outdoor hard courts. Singh, a 23-year-old Indian right-hander, has competed primarily in recent Indian ITF and challenger events, while 25-year-old Japanese player Matsuda arrives after a three-set loss in Segovia the prior week. With no prior head-to-head meetings and comparable recent win rates around 60 percent on hard, the matchup hinges on serve consistency, return pressure, and adaptation to the Turkish conditions. The winner advances into a draw featuring several similarly ranked competitors, where rest and recovery between rounds could influence progression.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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Frequently Asked Questions