This market refers to the tennis match between Learner Tien and Marcos Giron in the Australian Open ATP, scheduled for January 18 2026. This market will resolve to "Tien" if Learner Tien wins by 2 or more sets than Marcos Giron, based on the final completed score. Otherwise, it will resolve to "Giron." If the match begins but is not completed, this market will resolve 50-50. If the match is canceled before play begins or delayed beyond 7 days from the scheduled date without a result, this market will also resolve 50-50. Resolution will be based on official Grand Slam results.