He was trained by Vladimir Grabinsky, coach of the Ukrainian youth team.

[1] In 2007 he was joint winner with Li Chao and G. N. Gopal at the category 12 Lake Sevan round-robin tournament in Martuni, Armenia.

In February 2009 he shared first place in the Cappelle-la-Grande Open in France with Sanan Sjugirov, Parimarjan Negi, Maxim Rodshtein, Sergey Fedorchuk, Eric Hansen, Alexei Fedorov, and Vlad-Cristian Jianu, ahead of 106 Grandmasters and 76 International Masters, scoring 7.5 points out of 9.

[4] Other tournament results: Vovk finished fifth at the 2015 European Individual Chess Championship in Jerusalem, scoring 7.5/11.

[7] This result enabled him to qualify for the Chess World Cup 2015, where he knocked out Ray Robson in the first round.