The world No. 1 will skip next weekend's tie in Belgrade to rest.
Roger Federer talks about his where his latest epic Wimbledon comeback ranks.
"I feel like I've clearly got a chance in the semis, even after a match like this," says Swiss after epic comeback.
Roger Federer may need to employ unconventional return methods like these if he is to make inroads against Marin Cilic's serve on Day 9
The Aussie went he-man on his racquet during a Day 9 doubles loss at Wimbledon.
You must play on the edge to beat the seven-time Wimbledon champion at SW19.
The six-time Wimbledon champion vehemently retracts her statement.