Between Andrei Olhovskiy and Jelena Janković, who became a pro earlier?
Andrei Olhovskiy Andrei Stanislavovich Olhovskiy (Russian: Андрей Станиславович Ольховский ) (born 15 April 1966) is a former tennis player from Russia, who turned professional in 1989.
Ervin Eleskovic Ervin Eleskovic (born 8 May 1987 in Bileća, SFR Yugoslavia) is a professional tennis player from Sweden.