Wimbledon 2011: Upbeat Federer promises to return after defeat

Six-times Wimbledon champion Roger Federer says he played well during the 6-3 7-6 4-6 4-6 4-6 defeat by Jo-Wilfried Tsonga, and believes he can win more Grand Slam titles.

Federer is full of praise for his opponent following the Frenchman's dramatic comeback from two sets down.

The world number three even jokes with waiting press about his eagerness to face them after the match.