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This market refers to the tennis match between Daniel Altmaier and Frances Tiafoe in the Halle Open, originally scheduled for June 20, 2026 at 10:30AM ET. This market will resolve to 'Daniel Altmaier' if Daniel Altmaier advances against Frances Tiafoe. This market will resolve to 'Frances Tiafoe' if Frances Tiafoe advances against Daniel Altmaier. 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.