Kovalchuk made his debut in the
Russian Premier League for
FC Tom Tomsk on 19 July 2009 in a game against
FC Khimki. In February 2017, Kovalchuk signed for
Kazakhstan Premier League side
Ordabasy.
Moldovan
Serghei Covalciuc, also a footballer who played for Chornomorets, is his elder brother. ==References==