Sidorenko mainly plays on the ATP Challenger Tour and the ITF Future Tour . So far he has celebrated three single and eight double victories on the Future Tour. On the Challenger Tour, he won the doubles tournaments in Poznan in 2009 and the tournament in Saint-Brieuc in 2015.
On October 13, 2008 he was in the top 200 of the world rankings in singles for the first time, his highest position so far he reached in May 2009 with position 145. In doubles he broke the 200 mark on January 8, 2007, his best placement was 168th (June 2010).
He made his debut in singles on the ATP World Tour in February 2006 at Open 13 , for which he received a wildcard for the main draw; However, he failed there in the first round to Yevgeny Korolev .
He had his first World Tour appearance in doubles together with David Guez at the Open 13 in February 2006. They also lost in the first round against Paul-Henri Mathieu and Gaël Monfils 3: 6, 6: 3 and [6 : 10].