US Open 2019: All the major results from Day 7Last updated on Sep 02, 2019, 12:38 pm
Day 7 of the US Open 2019 had some fascinating results.
The day was marked by some major upsets and superb wins respectively.
Men's world number one Novak Djokovic retired hurt to bow out against Stan Wawrinka.
The likes of Ashleigh Barty and Karolina Pliskova crashed out.
Meanwhile, Roger Federer and Serena Williams marched on.
Serena battles past ankle injury to down Martic
Six-time US Open champion Serena romped to a 6-3, 6-4 victory over Croatian 22nd seed Petra Martic.
Serena battled past an injury scare to set up a quarter-final with China's Wang Qiang, who beat world number two Ashleigh Barty.
Serena ahd required a medical timeout in the second set.
"I feel fine right now physically," said Williams.
She had a heavily tapped ankle.
Wang vs Barty
Wang gets the better of an erratic Barty
Chinese 27-year-old Wang extended her best Slam run with a 6-2, 6-4 defeat of Barty.
Barty was undone by 39 unforced errors at Louis Armstrong Stadium.
"It's a tough day at the office today. But it has been a year where we've hit our goals," Barty said.
Meanwhile, Wang said, "I think I'm really focused on the court, really enjoyed the way I played."
Svitolina wins, Konta stuns Pliskova
Ukrainian fifth seed Elina Svitolina progressed with a 7-5, 6-4 victory over 2017 runner-up Madison Keys.
British 16th seed Johanna Konta overcame Pliskova 6-7 (1/7), 6-3, 7-5.
This was her second win against the third seed in eight tries.
"To go one step further is a massive achievement for me and I'm really hoping to make that one, two, three steps forward," Konta said.
I'm sorry for Novak, says Wawrinka
2016 champion Wawrinka led Djokovic 6-4, 7-5, 2-1 when the Serb quit.
He had received treatment on his troublesome left shoulder before the start of the third set, however, he couldn't continue.
"It's never the way you want to finish a match. I'm sorry for Novak. He's an amazing champion," Wawrinka said.
He will meet fifth seed Daniil Medvedev next.
Federer sets up Dimitrov date
Swiss maestro Federer advanced to the quarter-finals for the 13th time in his past 15 attempts.
He beat Belgian 15th seed David Goffin 6-2, 6-2, 6-0.
"It was great. I thought I had a good feeling out here," Federer said. "David didn't have his best day either, he was struggling."
He will face Grigor Dimitrov next, who beat Alex De Minaur 7-5, 6-3, 6-4.