usopenresult frenchopenresult birth_date doublesrecord residence australianopenresult singlestitles plays image name wctfinalsresult highestsinglesranking doublestitles caption tennishofyear birth_place singlesrecord wimbledonresult height retired tennishofid masterscupresult othertournaments highestdoublesranking article_title turnedpro
'' ` w '' ' -lrb- 1977 -rrb- '' ` w '' ' -lrb- 1977 -rrb- 17 august 1952 217 -- 150 buenos aires , argentina '' -rrb- ` w '' ' -lrb- 1978 , 1979 62 -lrb- atp -rrb- left-handed -lrb- one-handed backhand -rrb- vilas-1975 . jpg guillermo vilas f -lrb- 1976 -rrb- no. 2 -lrb- 30 april 1975 -rrb- by atp 16 guillermo vilas in 1975 1991 buenos aires , argentina 929 -- 286 -lrb- 76.5 % -rrb- qf -lrb- 1975 , 1976 -rrb- 180 in -rrb- & nbsp ; cm -lrb- 5 ft 11 1992 guillermo-vilas '' ` w '' ' -lrb- 1974 -rrb- yes no. 13 -lrb- 21 may 1979 -rrb- guillermo vilas
 1969
guillermo vilas

guillermo vilas -lrb- ; born 17 august 1952 , in buenos aires , argentina -rrb- is a retired professional tennis player from argentina who won four major singles titles .
known for his prolific match play , especially on clay , he became the second man to win more than 900 matches in the open era , and his 660 wins on clay are by far the most of the era .
his peak was the 1977 season during which he won two major titles -lrb- both on clay -rrb- , had two long match win streaks of 46 all-surface and 53 on clay , and finished with an open era record 134 match wins .
he also popularized the between-the-legs tweener shot , also known as the `` gran willy '' in his honor .
