Some suspect Wawrinka saying he did not believe in a clean sport anymore led to him being overlooked for a US Open main draw ...

After being denied a wild-card for the US Open, Stan Wawrinka has received an invitation to participate in the Rennes Challenger scheduled for September 8-14. At 40 years old, the three-time Grand ...

Stan Wawrinka beat 17-time Grand Slam champion Roger Federer, his Swiss Davis Cup teammate, in straight sets to reach the semifinals of the French Open on Tuesday.

Eighth-seeded Stan Wawrinka, meanwhile, struggled with his serve but still advanced after a tough6-3, 6-4, 5-7, 6-3 victory over 67th-ranked Dusan Lajovic.

Wawrinka next will face American Steve Johnson, whobeat Sergiy Stakhovsky 2-6, 6-3, 7-6 (5), 7-6 (6). Fifth-seeded Kei Nishikori, last year's US Open runner-up and the last remaining of five ...