Stan Wawrinka is a professional tennis player from Switzerland, known for his powerful one-handed backhand and strong baseline game. Born on March 28, 1985, he turned professional in 2002 and has since become one of the top players in the world. Wawrinka has won three Grand Slam titles, including the Australian Open, French Open, and US Open. Wawrinka has achieved a career-high singles ranking of world No. 3. He is recognized for his resilience on the court and has been a key player in Switzerland's success in the Davis Cup. His playing style and achievements have made him a respected figure in the sport of tennis.