Sergey Leonyuk

{{Infobox tennis biography

| name = Sergey Leonyuk

| image =

| fullname = Sergey Leonyuk

| country_represented = {{URS}}

| birth_date = {{birth date and age|1960|4|3|df=yes}}

| birth_place = Minsk, Soviet Union

| death_date =

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| plays =

| careerprizemoney =

| singlesrecord = 0–1

| singlestitles = 0

| highestsinglesranking = No. 327 (10 June 1985)

| currentsinglesranking =

| AustralianOpenresult =

| FrenchOpenresult =

| Wimbledonresult =

| USOpenresult =

| doublesrecord = 4–5

| doublestitles = 0

| highestdoublesranking = No. 245 (25 May 1987)

| currentdoublesranking =

| AustralianOpenDoublesresult =

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| WimbledonDoublesresult =

| USOpenDoublesresult =

| medaltemplates =

{{MedalCountry | {{URS}} }}

}}

Sergey Nikolayevich Leonyuk (born 3 April 1960) is a former professional tennis player from Belarus.

Biography

Leonyuk was born in Minsk, the capital of the Byelorussian Soviet Socialist Republic, modern day Belarus. He represented the Soviet Union and was a nine time Soviet champion.{{cite news|url=http://www.themoscowtimes.com/sitemap/free/1995/11/article/russians-50-50-for-cup-coach-says/331585.html|title=Russians '50-50' for Cup, Coach Says|last=Fyodorov|first=Gennady|date=30 November 1995|work=The Moscow Times|accessdate=28 March 2016}}

In 1978 he played in a Grand Prix tournament in Calcutta, India. He lost in the first round of the singles to Ramesh Krishnan and also played in the doubles draw with Igor Tihonenko.{{cite web|url=http://www.itftennis.com/procircuit/tournaments/men's-tournament/info.aspx?tournamentid=1010002550|title=ITF Tennis - Pro Circuit - Indian Open - 27 November - 03 December 1978|publisher=International Tennis Federation|accessdate=28 March 2016}}

He won a bronze medal in singles and silver medal in doubles at the Friendship Games, held in Poland in 1984, for nations that boycotted the Summer Olympics.{{Cite book|last=Trzciński|first=Tomasz|title=Gwiazdy sportu '84|publisher=Krajowa Agencja Wydawnicza|location=Warsaw|date=1985|language=pl|isbn = 83-03-01177-4|page=91|display-authors=etal}}

A regular Davis Cup representative for the Soviet Union, he appeared in 13 ties in the 1980s, including stints in the World Group. In 1985 he and Alexander Zverev came from two sets down to win a doubles match over Czechoslovakia's Tomáš Šmíd and Libor Pimek in Tbilisi.{{cite news|url=https://www.washingtonpost.com/archive/sports/1985/03/10/flach-seguso-finish-japan-in-straight-sets/0afc5b6b-7f56-443e-bfbb-c0208d77711b/|title=Flach, Seguso Finish Japan in Straight Sets|date=10 March 1985|work=The Washington Post|accessdate=28 March 2016}}

He won one Challenger title, the Tampere Open in 1986, which he and Ģirts Dzelde won with a walkover in the final.

In the wake of the Chernobyl disaster, Leonyuk moved to Brooklyn, New York to ensure his children's safety. He brought with him a promising 15-year old junior from Minsk, Vladimir Voltchkov, who he housed and coached.{{cite news|url=http://www.nydailynews.com/archives/sports/vladimir-court-held-brooklyn-article-1.736220|title=For Vladimir, Court is held in Brooklyn|last=Cyphers|first=Luke|date=6 September 1996|work=New York Daily News|accessdate=28 March 2016}}

In the 1990s, Leonyuk was an assistant coach of the Russian Davis Cup team.{{cite news|url=https://www.nytimes.com/1995/11/30/sports/tennis-moscow-embraces-showdown-with-us.html|title=Moscow Embraces Showdown With U.S.|last=Clarey|first=Christopher|date=30 November 1995|work=New York Times|accessdate=28 March 2016}} He has also served as the tournament director of the Kremlin Cup.