Swiss Open champion Roger Federer dramatically withdraws from Paris . German world No . `` There was a lot of pressure and expectation on him . two is `` overwhelmed and exhausted '' after his triumph in Paris . Federer traditionally uses Swiss follow-up event as warm-up for Wimbledon .
Swiss Open champion Roger Federer dramatically withdraws from Paris . German world No . two is `` overwhelmed and exhausted '' after his triumph in Paris . Federer traditionally uses Swiss follow-up event as warm-up for Wimbledon .