Defending US Open champion Novak Djokovic retires injured
ReutersDjokovic retired from his fourth-round match against Stan Wawrinka due to a shoulder injury
Serena steps up U.S. Open title pursuit as Barty, Pliskova fall
AFPSerena hasn't won the U.S. Open since 2014.
Federer crushes Goffin to reach U.S. Open quarter-finals
AFPFederer advanced to the U.S. Open quarter-finals for the 13th time in his past 15 attempts.
US Open: China's Wang ousts French Open champion Barty in fourth round
AFPWang will face the winner of a later fourth-round match between Croatian 22nd seed Petra Martic and US eighth seed Serena Williams
Tennis
U.S. Open: Djokovic shrugs off shoulder injury to reach last 16
Reuters Djokovic will next meet former champion Stan Wawrinka
Tennis
US Open 2019: Gauff books date with Osaka, Nadal gets walkover
AFP Reigning Wimbledon champion Simona Halep, meanwhile, crashed out early in New York for a third year running.
Sport
Andy Murray suffers defeat in Mallorca Challenger
PTI Murray was competing in a Challenger tournament for the first time since 2005.