Roger Federer of Switzerland waves to fans after winning his match against Damir Dzumhur of Bosnia and Herzegovina at the Wimbledon Tennis Championships in London, June 30, 2015. REUTERS/Henry Browne
LONDON (Reuters) - With seven Wimbledon trophies, 15 titles on grass and 136 victories on the lush green surface, there is not much that fazes Roger Federer when he turns up at the All England Club.
The same could not be said of his first-round opponent on Tuesday.
