Career
Kovalenko started his career at Juventus youth team He was offered a contract after a trial along with Ilyos Zeytulayev and Viktor Budyanskiy. In February 2002, he joined Juve permanently.
The Turin club paid United States$400,000 (about €454,000) to buy Kovalenko and Zeytulayev"s image and registration rights from Sportakademklub Moscow.
In January 2004, he was loaned to Lodigiani before joining Standard Liège in August 2004. Juve received €5,000 for the player.
He then joined Lokeren in January 2007 and in August 2007 signed a 2-year contract with Roeselare. In March 2008 he terminated his contract with Roeselare.
Kovalenko returned to Ukraine for Football Club Volyn Lutsk on 12 August 2008.
In March 2009, he was signed by Torpedo Zhodino of Belarus.
