Martin Kližan is a professional tennis player from Slovakia, born on July 11, 1989. He turned pro in 2006 and has competed in various tournaments on the ATP Tour. Kližan is known for his powerful left-handed serve and aggressive playing style, which have helped him achieve success on both hard and clay courts. Throughout his career, Kližan has won multiple singles titles, including the ATP 250 events. He has also represented Slovakia in international competitions, such as the Davis Cup. His achievements have made him a notable figure in Slovakian sports.