|Venue: Flushing Meadows, New York Dates: 31 Aug-13 Sept|
|Coverage: Selected live radio and text commentaries on BBC Radio 5 Live Sports Extra, BBC Sounds, the BBC Sport website and app.|
Serena Williams began her pursuit of a record-equalling 24th Grand Slam title with a dominant 7-5 6-3 win against fellow American Kristie Ahn.
The 38-year-old went a break down in both sets but recovered to win in an hour and a half as she chases Margaret Court’s Grand Slam tally.
Williams gathered momentum late on, winning four straight games against the world number 96 in the second set.
“I was really happy with how I fought for every point,” she said.
“No matter how I was playing, I just had to get my Serena focus back so that was what I was working on today.”
More to follow.