Melanie Oudin's defense of her Aegon Classic title lasted only 57 minutes. The American lost to Qualifier Ajla Tomljanovic in the round. However, Jamie Hampton, Madison Keys & Alison Riske advanced to the round.
Ajla Tomljanovic rallied from an early deficit to upset Madison Keys & advance to QFs . Via Matt Cronin: Tomljanovic was ripping the ball, served and returned very well, d Keys Madison is pretty erratic.
Ajla Tomljanovic in new red #Nike kit, makes it look like a jumpsuit, but it's not #USOpen #2017
2017 US Open Tennis Championships - Day 1
Ajla Tomljanovic of Australia prepares for the return during her first round Women's Singles match against Johanna Larsson of Sweden on Day One of the 2017 US Open at the USTA Billie Jean King National Tennis Center on August 28, 2017 in the Flushing neighborhood of the Queens borough of New York City.