Serena Williams nearly crashed out of the rain-hit US Open while top-ranked defending champion Novak Djokovic battled through shoulder pain and Roger Federer advanced despite a weak start.
US eighth seed Serena Williams, seeking her 24th career Grand Slam title to match Margaret Court's all-time record, got a scare before ousting 17-year-old US wildcard Caty McNally 5-7, 6-3, 6-1.
McNally, who hadn't been born when Williams won her first Slam at the 1999 US Open, threatened a struggling Williams from the start before the six-time US Open champion won nine of the last 11 games to escape under the roof at Arthur Ashe Stadium.
"I survived tonight. I'm not too pleased with the way I played at all," Williams said.
"'Serena, you made way too many errors today. What were you thinking?' But I'm alive. I'm happy. I'll do better next time. I promise."
"I was definitely tested."
"I clearly have to play better from the get-go."
"I was making so many errors off my forehand. I knew I could play better."
- Nishikori, Barty win -
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"She showed no fear."
"It's not the first time I'm facing this kind of adversity or challenge. It is what it is and I'm just grateful to be on the court."
"That made a big difference."
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