This is a polymarket on the tennis match between Jannik Sinner and Stefanos Tsitsipas in the Six Kings Slam, scheduled for October 15 (Riyadh local date). This market will resolve to 'Sinner' if Jannik Sinner advances against Stefanos Tsitsipas. This market will resolve to 'Tsitsipas' if Stefanos Tsitsipas advances against Jannik Sinner. 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 ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve in favor of the player who officially advances to the next round. The primary resolution source will be official information from the Six Kings Slam / tournament organizers. A consensus of credible reporting may also be used.