Roger Federer retires from tennis with grace and modesty in 'Federer: Twelve Final Days,' a documentary directed by Asif Kapadia and Joe Sabia.

At the 2005 French Open, Roger Federer congratulated Rafael Nadal after their semifinal. Now Federer is congratulating Nadal on his looming retirement — and a stellar pro career.

Roger Federer says Rafael Nadal made him “enjoy the game even more” as the Spaniard retires from tennis at the Davis Cup in Malaga, Spain this week. Federer, who retired alongside Nadal at the ...

Roger Federer retired from tennis at 41 having achieved everything there was to conquer: 20 Grand Slam titles and a reputation so sterling that his home country of Switzerland minted his face on ...

Tennis great Roger Federer won 20 grand slam titles -- and at 41, he announced his retirement. NPR's A Martinez talks to the co-directors of the documentary "Twelve Final Days" about Roger Federer.