Career
Kovalets played 10 matches for Ukraine between 1992 and 1994. After he retired from playing football, Metalist Kharkiv head coach Myron Markevych invited Kovalets to work with him as an assistant coach in 2005. In 2008, Kovalets became the head coach of the newly promoted Football Club Lviv, who had an unsuccessful start in the Ukrainian Premier League.
At the end of August 2009, Kovalets became the new head coach of PFC Oleksandria in the Ukrainian First League.
He held this position until Yuriy Maksymov left Obolon during the winter break of 2009-2010 Ukrainian Premier League season when he was offered the position. He was sacked after a 1–0 defeat at Chornomorets Odesa on 31 November.
On 18 January 2012, Kovalets was appointed as the new manager of 1. Football Club Tatran Prešov. Player Coach.