LONDON, June 23 (Reuters) - Six-times champion Roger Federer was forced to dig deep at Wimbledon again on Wednesday, the Swiss reaching the third round with a hard-fought 6-3 6-7 6-4 7-6 victory over ...

When Roger Federer made the decision to hang up his tennis racket last year at the age of 41, he did so as one of the most influential figures to have played the game. Federer was dominant on the ...