Switzerland won the tie 3–2 against Romania and progressed into the World Group quarterfinals. He won against 22nd seed and Olympic Gold Medalist Nicolás Massú in the first round, in four sets.

mirka federer and roger federer dating-48mirka federer and roger federer dating-6

Wawrinka had his first singles final at the Swiss Open, but lost to Gastón Gaudio.

At the US Open, Wawrinka defeated Rajeev Ram and Mariano Puerta in five sets before losing in the third round to Nicolás Massú.

He also claimed wins over Guillermo Cañas and Juan Ignacio Chela en route to a meeting with Rafael Nadal in the final of the Mercedes Cup in Stuttgart in July. In the US Open, Wawrinka reached the fourth round, a stage he had never reached previously in a Grand Slam event, notably defeating 25th seed Marat Safin in straight sets in the second round.

In the fourth round, he was ousted by Juan Ignacio Chela in five sets.

Wawrinka started playing tennis at the age of eight, and he played tennis once a week until he was 11 years old, when he started practice three times a week.

Wawrinka stopped attending regular schooling at age 15 to focus full-time on tennis.

He achieved a Top-10 ranking by the ATP for the first time on , and first reached a career peak of world No.

3 on 27 January 2014, at the same time as he became the Swiss No. He has reached four Grand Slam singles finals in his career to date, winning three: the 2014 Australian Open, the 2015 French Open and the 2016 US Open; each time he defeated the reigning world number one in the championship match (Rafael Nadal once and Novak Djokovic twice, respectively).

In doubles and team tennis for Switzerland, he has won a gold medal in the men's doubles event at the 2008 Summer Olympics, partnering with Roger Federer, and the Davis Cup in 2014.

He played in the longest doubles match in history at the 2013 Davis Cup, in a tie against the Czech Republic, partnering with Marco Chiudinelli.

Wawrinka considers clay his best and favorite surface and his serve and backhand his best shots.