Wawrinka recognized the privilege of having Federer as a compatriot and mentor, sharing practice courts, conversations, and experiences like the Olympics and Davis Cup.

It was a blissful Wednesday night for the Swiss pair of Roger Federer and Stan Wawrinka, who both rolled into a US Open semifinal matchup with straight-sets wins.

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.

Roger Federer claimed a record-equalling fifth ATP Indian Wells Masters title on Sunday, continuing his career resurgence with a 6-4, 7-5 victory over Stan Wawrinka.

Normally composed Roger Federer lost his cool after a series of missed backhands, but still advanced to the third round of the French Open.

Swiss tennis star Stan Wawrinka has long carved out an impressive career in his own right, but the three-time Grand Slam champion recently reflected on what it was like growing up in the shadow of ...