Between Andrei Olhovskiy and Jelena Janković, who became a pro earlier?
Jelena Janković: Jelena Janković (Serbian Cyrillic: Јелена Јанковић, ] , born 28 February 1985) is a Serbian professional tennis player. 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.
Andrei Stanislavovich Olhovskiy