| Country (sports) |  Russia |
|---|---|
| Residence | Moscow, Russia |
| Born | (1984-03-30)30 March 1984 (age 41) Kursk,Russian SFSR, Soviet Union |
| Height | 1.92 m (6 ft3+1⁄2 in) |
| Turned pro | 2001 |
| Retired | 2009 (last match played) |
| Plays | Right–handed |
| Prize money | $25,848 |
| Singles | |
| Career record | 37–52 |
| Career titles | 1 ITF |
| Highest ranking | No. 673 (30 July 2007) |
| Doubles | |
| Career record | 106–69 |
| Career titles | 8 ITF |
| Highest ranking | No. 438 (17 October 2005) |
Sergei Gennadievitch Demekhine (Russian: Сергей Геннадьевич Демёхин;[1] born 30 March 1984) is a Russiantennis coach and former professional player.
Demekhine was born on 30 March 1984 inKursk and currently resides in Moscow.[2]
Demekhine occasionally used to work as a model forArmani,Rocco Barocco, andAbercrombie & Fitch.[3]
Since 2017, he has been married to Russian tennis playerVeronika Kudermetova, whom he also coaches.
As a professional tennis player, Demekhine won one ITF Futures title in singles, and eight in doubles. He played the qualifications for theKremlin Cup in2001,[4]2002,[5]2003[6]2006[7] and2008,[8] but never reached the main draw. Demekhin made two appearances in aATP Tour main draw in doubles, both at the Kremlin Cup. In 2005, he andIgor Kunitsyn lost toMariusz Fyrstenberg andRăzvan Sabău 3–5, 4–5 in the first round. In 2008, Demekhin partnered withKonstantin Kravchuk, but they were beaten bySergiy Stakhovsky andPotito Starace 7–6(4), 1–6, [10–7] in the first round. He has been inactive since he played his last match in 2009.
Demekhine briefly coached Russian playerAlla Kudryavtseva.[9]
He then coachedVera Zvonareva. The two began working together in April 2010 after the2010 Family Circle Cup in Charleston, South Carolina.[10] At first, he was her hitting partner and then became her coach.[11] Under his guidance, Zvonareva reached the finals of the2010 Wimbledon Championships[12][13] and the2010 US Open,[14] the semifinals of the2011 Australian Open,[15] and the world No. 2 ranking.[16] In April 2011, Vera Zvonareva split with Demekhine.[17]
He is currently coaching his wifeVeronika Kudermetova.
| Outcome | No. | Date | Tournament | Surface | Opponent | Score |
|---|---|---|---|---|---|---|
| Winner | 1. | 11 May 2008 | Bucharest, Romania | Clay | Sergei Krotiouk | 5–7, 6–1, 6–4 |
| Outcome | # | Date | Tournament | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|---|
| Runner–up | 1. | 4 November 2001 | Sardinia, Italy | Hard | Igor Kunitsyn |  Stefano Mocci Ivan Stelko | 3–6, 4–6 |
| Runner–up | 2. | 25 November 2001 | Sardinia, Italy | Hard | Igor Kunitsyn |  Josh Goffi Chris James | 3–6, 6–7(4) |
| Runner–up | 3. | 4 May 2002 | Mumbai, India | Hard | Ivan Syrov |  Mustafa GhouseVijay Kannan | 3–6, 6–7(3) |
| Runner–up | 4. | 30 June 2002 | Sardinia, Italy | Clay | Stefano Tarallo | Florian Allgauer Federico Cardinali | 7–5, 2–6, 4–6 |
| Runner–up | 5. | 25 August 2002 | Saransk, Russia | Clay | Ivan Syrov | Teymuraz GabashviliAlexander Pavlioutchenkov | 4–6, 6–7(3) |
| Runner–up | 6. | 15 December 2002 | Ourense, Spain | Hard | Ivan Syrov |  Oliver Freelove Joan Jiménez Guerra | 4–6, 2–6 |
| Runner–up | 7. | 13 April 2003 | Frascati, Italy | Clay | Ivan Syrov |  Gergely KisgyörgyGiancarlo Petrazzuolo | 4–6, 2–1 ret. |
| Winners | 1. | 29 August 2004 | Krasnoarmeisk, Russia | Hard | Alexander Pavlioutchenkov | Philipp MukhometovEvgueni Smirnov | 6–2, 6–4 |
| Winners | 2. | 17 April 2005 | Qarshi, Uzbekistan | Hard | Igor Kunitsyn |  Murad InoyatovDenis Istomin | 6–4, 5–7, 6–4 |
| Runner–up | 8. | 7 May 2005 | Namangan, Uzbekistan | Hard | Andrei Stoliarov |  Raven KlaasenKonstantin Kravchuk | 2–6, 7–6(5), 6–7(4) |
| Winners | 3. | 11 September 2005 | Minsk, Belarus | Clay | Alexandre Krasnoroutskiy | Konstantin KravchukDenis Matsukevich | 7–6(8), 7–6(5) |
| Winners | 4. | 18 September 2005 | Minsk, Belarus | Hard | Alexandre Krasnoroutskiy | Konstantin Kravchuk Denis Matsukevich | 6–2, 4–6, 6–1 |
| Runner–up | 9. | 16 July 2006 | Carpi, Italy | Clay | Luca Vanni | Mattia LivraghiMatteo Volante | 6–1, 6–7(8), 4–6 |
| Winners | 5. | 23 July 2006 | Carpi, Italy | Clay | Luca Vanni |  Hermes GamonalGuillermo Hormazábal | 6–2, 6–3 |
| Winners | 6. | 17 February 2008 | La Habana, Cuba | Hard |  Pavel Katliarov |  Luis Javier Cuellar Contreras Roberto Maytín | 6–7(2), 6–4, [10–5] |
| Runner–up | 10. | 24 February 2008 | La Habana, Cuba | Hard | Pavel Katliarov | Piero Luisi Roberto Maytín | 1–6, 6–4, [10–8] |
| Winners | 7. | 12 April 2008 | Moscow, Russia | Carpet (i) | Konstantin Kravchuk | Chris EatonAlexander Slabinsky | 6–1, 6–2 |
| Winners | 8. | 23 May 2008 | Bucharest, Romania | Clay | Pavel Katliarov |  Victor-Mugurel Anagnastopol Thomas Cazes Carrere | 2–6, 7–5, [10–8] |
| Runner–up | 11. | 21 June 2008 | Minsk, Belarus | Hard | Pavel Katliarov | Pierre-Ludovic DuclosDmitri Sitak | 5–7, 4–6 |
| Runner–up | 12. | 21 September 2008 | Sochi, Russia | Clay | Valery Rudnev | Mikhail FufyginVitali Reshetnikov | 2–6, 1–6 |
