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.
Alex Bogomolov Jr. Aleksandr Aleksandrovich Bogomolov Jr. (Russian: Александр Александрович «Алекс» Богомолов , born April 23, 1983), nicknamed Bogie, is a Russian-American retired professional tennis player.