Stefanos Tsitsipas cooks on court even without a racket.
The American will make her first appearance at the season-ending championships.
The Romanian is ready to test her injured back and lock up the WTA's year-end No.1 ranking.
World No. 5 calls out opponents for excessive towel use.
The German doesn't want to stop his winning ways just because he's in the field.
Gerard Pique and Kosmos have built it, but who is going to come?
Ivan Lendl hospitalized for minor surgery.