This is a polymarket on the Round 2 match between Daniil Medvedev and Reilly Opelka in the 2025 ATP Washington D.C. men’s singles tournament, scheduled for July 23, 2025, at 12:30 PM ET. This market will resolve to “Medvedev” if Daniil Medvedev advances against Reilly Opelka. This market will resolve to “Opelka” if Reilly Opelka advances against Daniil Medvedev. If the match ends in a tie, is canceled, or delayed beyond July 25, 2025, 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.