Novak Djokovic: Somewhere in the back of his mind, though, as he watched Rafael Nadal fall to the blue concrete and bask in the lights of the world's biggest tennis stadium, Djokovic had a sense that someday, that could be him.
Serena Williams, of the US, serves to Ana Ivanovic, of Serbia, during their match at the US Open tennis tournament in New York on Sept. 5.
US Open: Serena Williams wasn't on the court very long Tuesday night. Neither was Caroline Wozniacki as the US Open continues on Wednesday.
Britain's Prince William (r.) and his wife, Catherine, Duchess of Cambridge (l.) applaud after the match between Tsvetana Pironkova of Bulgaria and Venus Williams of the US at the All England Lawn Tennis Championships at Wimbledon in London on June 27.