Roger Federer has paid tribute to Rafael Nadal ahead of the Spaniard’s retirement from tennis, revealing their rivalry made him “enjoy the game even more”. Nadal’s career comes to an end this week at the Davis Cup, where he will represent Spain for the final time as he looks to go out on a high.

Roger Federer penned a heartfelt tribute to Rafael Nadal as the Spaniard plays his final tournament at Davis Cup Finals. Federer reflects on their legendary rivalry, Nadal's impact on his own game, and the shared memories that transcend competition.

Federer ended the letter to Nadal with a touch of class: "I want you to know that your old friend is always cheering for you, and will be cheering just as loud for everything you do next. Rafa that! Best always,