Serena Williams withdraws from US Open as she recovers from torn hamstring

Serena Williams has pulled out of the US Open. Picture: Jed Leicester/AELTC Pool/PA

Six-time champion Serena Williams has been forced to pull out of the upcoming US Open.

The 39-year-old withdrew from her first-round match at Wimbledon in June after she slipped on the grass-court surface and has not recovered in time to take part at Flushing Meadows over the next two weeks.