Canada's Eugenie Bouchard has announced a withdrawal from the mixed and women's doubles in New York, citing a head injury.
Richard Gasquet put on a shotmaking display against Bernard Tomic.
Andy Murray brought his fitness to the fore during his five-set win over Adrian Mannarino on Day 5.
While the players make headlines on the showcourts of New York, a band of merry stringers makes history in the bowels of the grounds.
"He was one of my favorite players to watch, so I would vote yes," Federer says of Rios' Hall of Fame candidacy.
Simona Halep played her first ever mixed doubles match on Thursday with Horia Tecau in New York.
In an interview with Chris Evert on the ESPN set, Stan Wawrinka talked about learning to defeat his compatriot Roger Federer.