Hernan Gumy is a former tennis player from Argentina, who turned professional in 1991. He represented his native country at the 1996 Summer Olympics in Atlanta, Georgia, where he was defeated in the first round by Venezuela's Nicolas Pereira.
The right-hander reached his highest singles ATP-ranking on August 19, 1996, when he became World 39. Gumy won the gold medal in the men's singles competition at the 1995 Pan American Games.
Gumy has been coaching Latvian tennis player Ernests Gulbis since September of 2009.
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