Happening Now: venuswilliams vs karolinamuchova 🎾 followed by fededelbonis vs medwed33 . . . #USOpen #USOpen2020 #usta #wta #atp #grandslam #tennis #tennistournament #nightmatches #grandslamchampions #venuswilliams #medvedev #arthurashe #arthurashestadium