Roger Federer wins opening match at BMW Open in Germany . ` I feel like in practice , I have been hitting the ball great . The only grand slam champion yet to pick up a title this year . Albert Monfils withdraws from Wimbledon for personal reasons . Lleyton Hewitt shocks Grigor Dimitrov at Queen 's Club .
Roger Federer wins opening match at BMW Open in Germany . The only grand slam champion yet to pick up a title this year . Albert Monfils withdraws from Wimbledon for personal reasons . Lleyton Hewitt shocks Grigor Dimitrov at Queen 's Club .