Yevgeny Aleksandrovich Kafelnikov (Russian: Евгений Александрович Кафельников; born 18 February 1974) is a former World No. 1 tennis player from Russia. He won two Grand Slam singles titles (one French Open and one Australian Open), four Grand Slam doubles titles, and the men's singles gold medal at the Sydney Olympic Games. He also helped Russia win the Davis Cup in 2002. He is the last man to have won both the singles and men's doubles titles at the same Grand Slam tournament, which he did at the 1996 French Open.
Life After Tennis
Since retiring, Kafelnikov cashed three times at the 2005 World Series of Poker. He also played golf on the European PGA tour at the 2005 and 2008 Russian Open. He stated that he was there not to make up the numbers, before finishing last by 20 odd shots in 2005 (and second to last in 2008).
He now works as a commentator for Russian TV covering tennis. During the 2008 Miami Masters, Kafelnikov coached Marat Safin in the absence of Hernán Gumy.
He was participating in the ATP Champions Tour in 2009 and had some impressive results at the Chengdu Open in early November, where he beat Sergi Bruguera, Michael Chang and Pat Cash. As of May 29, 2011, he is ranked 7th on the Champions Tour.
From : www.wikipedia.org