Main draw play at the 2016 US Open kicked off on Monday and half of the Grand Slam's first-round matches completed during an action-filled day.
In the evening, the US Open celebrated the addition of the Arthur Ashe stadium roof with a big opening ceremony featuring world-famous singer Phil Collins.
WTA PHOTOS FROM PREVIOUS DAYS AT THE 2016 US OPEN:
- Qualifying Sunday: Completion of the qualifying stage
- Qualifying Thursday: The second round completes despite rain
- Qualifying Wednesday: Completion of the first round
- Qualifying Tuesday: Play kicks off
- Monday: US Open 2016 preparations are underway!