NEW YORK — The Latest on the US Open (all times local):
1:10 p.m.
British qualifier Johanna Konta beat No. 18 seed Andrea Petkovic of Germany 7-6 (2) 6-3 to reach the fourth round of a Grand Slam for the first time.
Petkovic appeared bothered by the heat during the second set. Trailing Konta 0-3, she had the trainer on court taking her blood pressure and pulse.
The 97th-ranked Konta needed six match points to finish the victory in 1 hour, 56 minutes.
Konta failed to take advantage of three match points in the 18-point seventh game, allowing Petkovic to break her serve.