Guillermo Vilas

Guillermo Vilas is a former Argentine professional tennis player.

Vilas turned professional in 1969, finishing in the top ten from 1974 to 1982. He was a clay-court specialist, but also played well in hardcourt, grass and carpet.

A southpaw, Vilas became the first South American male player to win a grand slam event, winning four times: the French Open and U.S. Open titles 1977 (both played on claycourt), and the 1978 and 1979 Australian Open titles (both played on grass). He was also three-times French Open runner-up and once Australian Open runner-up