Roger Federer (born 8 August 1981) is a Swiss professional tennis player who is currently ranked world No. 2 by the Association of Tennis Professionals (ATP). Many commentators and players regard Federer as the greatest tennis player of all time. Federer turned professional in 1998 and has been ranked inside the top 10 since October 2002.
Stanislas "Stan" Wawrinka (born 28 March 1985) is a Swiss professional tennis player.
Roman Valent (born 8 July 1983, in Zürich) is a Swiss professional tennis player. He was an outstanding junior, winning the 2001 Wimbledon Boys' Singles tournament. However, Valent has played just one match on the ATP Tour, in which he lost to Frenchman Marc Gicquel at the 2009 Open de Moselle, but he has played in many Challenger and Futures tournaments (winning 2 of the latter).
Alexander Sadecky (born 6 July 1987 in Zurich) is a professional tennis player from Switzerland who entered professional play in 2006. His coach is Dirk de Beus (since 2008). He has regularly competed on the Challenger and Futures tour circuit. He has reached the final of seven Futures tournaments; in five of these he was victorious.
Marco Chiudinelli (born 10 September 1981 in Basel, Switzerland) is a tennis player from Switzerland.
George Edward Bastl (born 1 April 1975) is a former professional tennis player from Switzerland.
Stéphane Bohli (born 25 July 1983 in Geneva) is a professional tennis player from Switzerland.
Luca Margaroli (born 15 February 1992 in Brescia) is a Swiss tennis player.
Adrien Bossel (born 28 December 1986) is a Swiss tennis player.
Sandro Ehrat (born 18 April 1991) is a Swiss tennis player. Ehrat has a career high ATP singles ranking of 295, achieved on 13 May 2013 and a career high ATP doubles ranking of 554, achieved on 10 September 2012. Ehrat made his ATP main draw debut at the 2010 MercedesCup, partnering Raphael Hemmeler, but they lost in the first round.
Yann Marti (born 7 June 1988) is a Swiss tennis player. His highest ranking is no. 200, which was achieved on 18 August 2014.
Henri Joona Julius Laaksonen (born 31 March 1992) is a Swiss-Finnish tennis player. His highest ranking is no. 187, which was achieved on 22 July 2013. He is coached by Sven Swinnen.
Cristian Villagrán (born 20 January 1982, in Buenos Aires) is a Swiss-Argentine professional tennis player.
Michael Lammer (born 25 March 1982) is a retired Swiss professional tennis player. At the 2009 Allianz Suisse Open in Gstaad, he won the doubles tournament with compatriot Marco Chiudinelli. It was his first ATP tour title. From September 2015, he works as a coach for the Swiss Tennis Under-14 team.