“When you win a big title like the French Open, it's tough. The emotion in doing this is really up and down. Afterwards, you feel a little bit lonely, a bit of depression mentally. Because it's so much stress and emotion, so many people around - and then it's completely empty.”

Swiss former professional tennis player

Stanislas “Stan” Wawrinka is a Swiss former professional tennis player. Born in 1985, he reached as high as world No. 3 in singles and won 74 quotes on the site. He won 16 ATP Tour singles titles, including three major championships at the 2014 Australian Open, the 2015 French Open, and the 2016 US Open. In each of those finals, he beat the world No. 1. He also won Olympic gold in men’s doubles at the 2008 Beijing Olympics with Roger Federer, and played an important role in Switzerland’s 2014 Davis Cup triumph.