|Full name||Serghei Sergiu Covalciuc|
|Date of birth||January 20, 1982|
|Place of birth||Odessa, Ukraine|
|Height||1.82 m (5 ft 11 1⁄2 in)|
* Senior club appearances and goals counted for the domestic league only and correct as of 12 May 2015 (UTC)|
‡ National team caps and goals correct as of February 4, 2012
He spent six seasons playing for Spartak Moscow in the Russian Premier League. Previously he played for Tiligul Tiraspol in Moldovan championship, having joined them in the 1999 pre-season. His contract with Spartak ended in 2009.
An Odessa native, Serghei Covalciuc previously had Moldovan and Transnistrian (de facto nation) citizenships, but, in 2007, he renounced them to receive Romanian citizenship and be able to play more often for Spartak. On February 23, 2010, Tom Tomsk signed Covalciuc on a free transfer and on a two-year deal.
After playing for half-a-season for FC Zhemchuzhina-Sochi in the Russian First Division in 2011, Covalciuc transferred to his home-city team Chornomorets Odessa in the Ukrainian Premier League on August 29, 2011.
He is a versatile player being able to play as an attacking midfielder (main position), second striker, defensive midfielder, winger, or full-back.
Covalciuc made 41 appearances for the Moldovan senior squad, including three games in UEFA Euro 2008 qualifying. He also played eight games in 2006 FIFA World Cup qualification (UEFA) and was a member of 2002 edition.
He played his last official match against Turkey on October 11, 2006 before denaturalization of his Moldovan nationality. In 2012, he was recalled to the national team, making a further seven appearances.
- "National teams: appearances of Serghei Covalciuc". eu-football.info. Retrieved 19 November 2013.
- «СПАРТАК» ГОВОРИТ СПАСИБО КОВАЛЬЧУКУ, ДЕДУРЕ И НИЗАМУТДИНОВУ Archived February 2, 2010, at the Wayback Machine. (in Russian)
- FC Spartak Moscow website (March 22, 2007). "Covalciuk received Russian passport" (in Russian). Archived from the original on March 28, 2007. Retrieved March 22, 2007.
- Сергей Ковальчук подписал двухлетний контракт с "Томью"
- Сергей Ковальчук тоже стал "моряком" (in Russian). Official web-site of "FC Chornomorets Odessa". August 29, 2011. Retrieved August 30, 2011.
- Serghei Covalciuc – FIFA competition record (archive)
- serghei_covalciuc_may_play_in_the_same_club_with_his_brother/ Serghei Covalciuc may play in the same club with his brother