Four London spots remain, and one massive tournament in Paris is underway to decide them.
Excited to be in the hunt for the No. 1 ranking, Roger Federer knows he still has a mountain to climb.
The 18-time Grand Slam champion uses an alternative motivation form to defeat Caroline Wozniacki in Singapore.
The Great Dane is not the Golden Retriever any longer.
The world No. 1 withdraws from the year's final Masters event, citing personal reasons.
The 18-time Grand Slam champion has locked up the WTA's year-end No. 1 ranking in back-to-back years for the first time.
Hot dog, showboat, miracle -- whatever you want to call it, this tweener-backhand combo was superb.
