World No. 8 Zheng Qinwen has withdrawn from the upcoming WTA 500 Porsche Tennis Grand Prix in Stuttgart, which begins on ...

Jannik Sinner, Aryna Sabalenka, Novak Djokovic and more of the 20 highest-ranked players included their handwritten signatures.

Novak Djokovic, Jannik Sinner, Aryna Sabalenka and Coco Gauff are among the 20 leading tennis players in the effort.