Guillermo Cañas was born on November 25, 1977 in Tapiales, Buenos Aires, Argentina. His first name is due to the Argentine tennis player Guillermo Vilas.
He is a fairly well-known player in the tennis world since, despite his high level in the sport, he was sanctioned twice for positive doping.
He won a total of 18 titles as a singles player, of which 11 were Challengers, 6 ATP Tours and one ATP Masters Series.
Challengers:
Santiago (1996)
Santa Cruz (1997)
Santiago (1997)
Espinho (1998)
FLorianópolis (1998)
New Caledonia (2003)
Belém (2006)
Montevideo (2006)
Buenos Aires (2006)
Asuncion (2006)
Saint Paul (2007)
ATP Tours:
Casablanca (2001)
Chennai (2001)
Stuttgart (2004)
Umag (2004)
Shanghai (2004)
Costa do Sauipe (2007)
ATP Masters Series:
Toronto (2002)
As a doubles player he managed to win only 6 titles, of which 4 were Challengers and 2 were ATP Tours.
Challengers:
Buenos Aires (1998)
Barletta (1999)
Buenos Aires (1999)
Costa Rica (2000)
ATP Tours:
Boston (1999)
Stuttgart (2001)