An ankle scare marked Serena Williams' fourth-round win at the US Open, where Ashleigh Barty and Karolina Pliskova were beaten.
A win over Petra Martic for Serena Williams was marked by her turning her ankle in the second set, though she moved to calm the concern.
After needing only 79 minutes to beat David Goffin at the US Open, Roger Federer spoke of his surprise at the ease of his victory.
A straight-sets win over Petra Martic potentially came at a cost for Serena Williams, who rolled her right ankle in the second set.
Only 72 minutes were required for Roger Federer to beat David Goffin and progress to the US Open quarter-finals.
Defending champion Naomi Osaka was eager to show her support for Coco Gauff, following their third-round match at the US Open in New York.
There were very contrasting days for Rafael Nadal and Alexander Zverev at the US Open, but both are safely into the second week.
After initially wanting to leave the court after her heavy defeat, Coco Gauff was glad Naomi Osaka convinced her to stay for an interview.
Naomi Osaka did not want Coco Gauff to leave the court sad after their US Open clash, hence her decision for them to have a joint interview.