Tennis Day 5 Review: Federer falters on wet quarterfinals day

(BEIJING, August 15) -- Multiple Grand Slam champions Roger Federer of Switzerland, Serena Williams and Venus Williams of the United States crashed out of the Men's and Women's Singles tournaments on Thursday, August 14.
Three of the four Men's Doubles quarterfinals, but only one of the two outstanding third round Women's Doubles matches were completed when play was called at 1:30 a.m. (UTC/GMT +8) on Friday morning.