Roger Federer is very happy with his performance in the first week of Wimbledon 2015 he told the press after his win over Sam Groth. It took Federer four sets 6-4, 6-4, 6-7, 6-2 to reach the fourth round. Earlier this week Federer beat Damir Dzumhur and Sam Querrey. Both matches ended in straight sets. […]