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This market refers to the tennis match between Mark Lajal and Yu-Hsiou Hsu in the Gwangju, originally scheduled for April 21, 2026 at 9:00PM ET. This market will resolve to 'Mark Lajal' if Mark Lajal advances against Yu-Hsiou Hsu. This market will resolve to 'Yu-Hsiou Hsu' if Yu-Hsiou Hsu advances against Mark Lajal. 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.