Roger Federer on the tennis role he envisions for his future.
Stefanos Tsitsipas delivers nuanced view of Big 3 importance.
Frenchman Arthur Fils will replace the Greek on Team Europe.
The matchups are set for November's Davis Cup knockout rounds in Malaga, Spain.
American No. 1 calls it “unreal experience walking for Hermes.”
“Novak lives it differently than I have," Rafa Nadal says of rival Novak Djokovic.
The No.9 seed had to pull out after injurying her hands in her hotel room.
