Serena Williams' wait for a record-equalling 24th Grand Slam singles title goes on after she was beaten 6-3 7-5 by an inspired Elena Rybakina.
Former world number one Roger Federer, who is targeting a record 21st Grand Slam title at Wimbledon, withdrew from the French Open on Sunday, a day after winning a tough third-round match, opting to save himself for the grass-court season.
"After discussions with my team, I decided that I should withdraw from the French Open today," Federer said in a statement released by the French Tennis Federation.
"After two knee operations and more than a year of rehabilitation, it's important that I listen to my body and not rush back into competition," the 39-year-old Swiss added.
Federer, who has hardly played in the last 17 months because of a knee injury, suffered physically in his four-set, late-night victory over German Dominik Koepfer on Saturday and decided to end his Roland Garros campaign ahead of what would have been a punishing fourth-round match against Italian Matteo Berrettini.
He had said after Saturday's match that he was pondering whether to participate in the second week of the claycourt Grand Slam as his season goal was Wimbledon, the grass-court major starting on June 28.
"We go through these matches... we analyse them highly and look at what's next and we'll do the same tonight and tomorrow," he said.
"Because I need to decide if I keep on playing or not, or is it not too much risk at this moment to keep pushing, or is this just a perfect way to just take a rest."
Tournament director Guy Forget said: "The French Open is sorry to see Roger Federer withdraw from the tournament but he put up a great fight last night.
"We were all delighted to see him back in Paris, where he played three top-level matches. We wish him all the best for the rest of the season."
Seven-time Grand Slam champion Mats Wilander said Federer's decision made sense as the eight-time Wimbledon champion had more chance to succeed on grass.
"It proves that it’s a long-term project for him to come back. For me, that’s good news because it shows he’s going to be around for a bit longer," Wilander, a tennis expert for Eurosport, said.
"Obviously, he got the matches that he needed and he wanted. The main period for him over the years is the grass-court season –- he obviously enjoys all the Grand Slams and different surfaces but the grass comes so naturally to him and that’s where he has had the most success.
"So, yes, obviously perfect for him. I think it’s absolutely perfect preparation."
Williams stunned by Rybakina
Serena Williams' wait for a record-equalling 24th Grand Slam singles title goes on after the American was beaten 6-3 7-5 by an inspired Elena Rybakina in the French Open fourth round on Sunday.
From the moment the 21-year-old Rybakina, playing in only her seventh Grand Slam main draw, held her opening two service games without dropping a point, Williams looked in peril.
And so it proved as seventh seed Williams bowed out to add yet another twist to a wildly unpredictable women's event.
With so many big names having fallen, including Victoria Azarenka early in the day, a prospective quarter-final opponent for Williams, the path to the final looked enticing.
But Williams, whose last Grand Slam title came in 2017 at the Australian Open, was unable to find her A-game.
She remained philosophical in defeat, however, saying that her expectations coming into the tournament had not been high.
"I'm in a much better place than when I got here," the American told reporters.
"You know, I was just literally trying to win a match because it had been a really difficult season for me on the clay. Although I love the clay, I was, like, if I could just win a match. That's kind of where I was kind of coming in."
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