This market refers to the tennis match between Leonardo Rossi and Melios Efstathiou in the M25 Pozzuoli, Main Draw, originally scheduled for September 13, 2026 at 4:00AM ET. This market will resolve to 'Leonardo Rossi' if Leonardo Rossi advances against Melios Efstathiou. This market will resolve to 'Melios Efstathiou' if Melios Efstathiou advances against Leonardo Rossi. If the match is canceled (not played at all), ends in a tie, or a winner has not been determined by September 27, 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 International Tennis Federation (ITF). A consensus of credible reporting may also be used.