Croatia Open (Doubles): Kalender/Serdarusic vs Frantzen/Haase

This market refers to the doubles tennis match between Kalender/Serdarusic and Frantzen/Haase in the Croatia Open, originally scheduled for July 15, 2026 at 11:30AM ET. This market will resolve to 'Kalender/Serdarusic' if the team of Kalender/Serdarusic advances against Frantzen/Haase. This market will resolve to 'Frantzen/Haase' if the team of Frantzen/Haase advances against Kalender/Serdarusic. 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 team advances due to the opponent's retirement, default, or disqualification, this market will resolve to the team who advances. If the match ends in a walkover (a team 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.