On Tuesday;Swiss Tennis Federation has announced that, “World number four Stan Wawrinka became the second high profile Swiss tennis player to quit the Rio Olympic Games”

Stan Wawrinka just fall out of the Games which starts on Friday; 5^th August 2016 because he  survived from back injury after 17-time Grand Slam winner Roger Federer withdrew with a knee injury and announced he would not play again in 2016.

• Stan Wawrinka quit the Rio Olympic Games
• Wawrinka survived from back injury

Double Grand Slam winner Wawrinka won a gold medal in men's doubles with Federer at Beijing 2008 Olympic Games.