Stan Wawrinka is a Swiss professional tennis player who is well known for winning the gold medal for Switzerland in the men's doubles event at the 2008 Summer Olympics in Beijing, partnering with Roger Federer. Following this impressive feat, the duo was honoured with the 2008 Swiss Team of the Year Award. Wawrinka has one of the most powerful backhands that is often described as "the best one-handed backhand in the game today". In 2009, Wawrinka played in the Davis Cup tie with Italy and won in his first match against Andreas Seppi. The following year he won his second ATP Title at the 2010 Grand Prix Hassan II at Casablanca. In 2011 Warwinka defeated world no. 6 Tomáš Berdych along the way to claiming the Chennai Open crown. The next year he made it to the semifinals of the Masters 1000 event in Cincinnati. Warwinka is often characterized as a powerful offensive baseliner capable of playing well on most surfaces, especially on clay and hard courts.