Roger Federer pens emotional letter to Rafael Nadal ahead of final tournament - Nadal, who has won 22 Grand Slams. will retire after this week’s Davis Cup Finals in Malaga

Roger Federer has penned an emotional tribute to Rafael Nadal, joking that he ‘secretly loved’ his long-time rival’s rituals including ‘assembling water bottles like soldiers’ and adjusting his underwear.

Roger Federer says Rafael Nadal "made the whole tennis world proud" during his "epic career" before the Spaniard's retirement.