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. Janković is a former World No. 1 in singles, a ranking achieved preceding her finals appearance at the 2008 US Open. Janković's career highlights include winning the 2007 Wimbledon Mixed Doubles title with Jamie Murray, the 2010 Indian Wells Masters, the Internazionali BNL d'Italia twice, in 2007 and 2008, and the aforementioned appearance in the finals of the 2008 US Open. She is coached by her brother Marko.
Irina Spîrlea Irina Spîrlea (born 26 March 1974) is a Romanian former tennis player who turned professional in 1990. She won four singles and six doubles titles during her career. Spîrlea reached her highest individual ranking on the WTA Tour on 13 October 1997, when she became number 7 in the world. She retired in 2000.