Serena Williams and Roger Federer have booked their places in the quarter-finals of the ongoing US Open.
Serena fought through a right ankle injury to defeat 22 seed, Petra Martic, in the fourth round on Sunday.
The American wrapped her ankle midway through the second set, but managed to win 6-3, 6-4 in one hour, 32 minutes, at the Billie Jean King National Tennis Center in Flushing Meadows, New York.
The eight seed received treatment from a trainer, who applied tape to her lower right leg and foot during a medical timeout. She walked over the ailment to reach the last eight at the competition for the 11th consecutive time.
“I just rolled it. I don’t know why,” Williams said in her on-court interview after the match.
“I was volleying and it just went over. That was a little frustrating, but I just wanted to get it compressed really fast and that’s what I did.”
She will play number 18 Wang Qiang, who upset second-seeded, Ashleigh Barty, in straight sets, in the quarterfinals, as she continues to pursue her 24th career Grand Slam title.
In the men’s draw, world number three, Roger Federer, also progressed to the final eight at the tournament for the 13th time, after beating 15th-seeded, David Goffin.
Federer defeated Goffin 6-2, 6-2, 6-0 in the fourth round, after a sluggish starts in the opening two rounds. The Swiss has only lost nine games in his last two matches.
The 20-time Grand Slam champion will next face Grigor Dimitrov, who eliminated Alex de Minaur in straight sets, to set-up an encounter with Federer.