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.
Evgeny Donskoy Evgeny Evgenyevich Donskoy (Russian: Евге́ний Евге́ньевич Донско́й ; born 9 May 1990) is a Russian tennis player playing on the regular ATP tour. He was born and currently resides in Moscow, Russia. Donskoy was mentored by former player and two-time Grand Slam champion Marat Safin. In December 2014, Donskoy decided to join the team of Boris Sobkin, coach of Mikhail Youzhny.