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.

Wawrinka also acknowledges that growing up and rising through the ranks in Switzerland during Federer’s reign was both a challenge and a blessing. "I've had positives and negatives," Wawrinka said.

Roger Federer edged a five-set thriller against his fellow Swiss and close friend Stan Wawrinka at the Australian Open on Thursday to become the oldest Grand Slam finalist in 43 years. The 17-time ...

Wawrinka double-faulted to hand Federer the key break in the sixth game and four-times champion Federer rode a wave of adulation from the terraces to serve out the match to love.

Federer ousted defending champion Novak Djokovic 7-5, 6-2 on Saturday, after Wawrinka had beaten sixth-seeded David Ferrer of Spain 6-1, 7-6 (3).

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 ...