Stefan Edberg

Stefan Edberg is a Swedish former professional tennis player. He was ranked as the world No. 1 in both men's singles and men's doubles by the Association of Tennis Professionals (ATP), one of two players in the Open Era to hold both positions. Edberg won 41 career singles titles and 18 doubles titles, including nine majors: six in singles and three in men's doubles. A major practitioner of the serve-and-volley style of tennis, Edberg also won the 1989 year-end championships, led Sweden to four Davis Cup titles, and won four Masters Series titles and four Championship Series titles. After retirement, Edberg coached Roger Federer from January 2014 to December 2015.

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