This market refers to the tennis match between Massimo Giunta and Federico Arnaboldi in the Bari, originally scheduled for September 29, 2026 at 7:00AM ET. This market will resolve to 'Massimo Giunta' if Massimo Giunta advances against Federico Arnaboldi. This market will resolve to 'Federico Arnaboldi' if Federico Arnaboldi advances against Massimo Giunta. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by October 13, 2026, 11:59 PM ET (14 days after the scheduled start), 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.