Background
Demekhin was born on 30 March 1984 to father Gennadyi and mother Natalia, and has a sister, Elena.
Demekhin was born on 30 March 1984 to father Gennadyi and mother Natalia, and has a sister, Elena.
Under his guidance, Vera Zvonareva reached two Grand Slam finals – at the 2010 Wimbledon Championships and the 2010 United States Open — and World Number. 2 ranking. Demekhin also occasionally works as a model. He played the qualifications for the Kremlin Cup in 2001, 2002, 2003 2006 and 2008, but never reached the main draw.
Demekhin made two appearances in the Association of Tennis Professionals main draw in doubles, both at the Kremlin Cup.
In 2005, he and Igor Kunitsyn lost to Mariusz Fyrstenberg and Răzvan Sabău 5–3, 5–4(6) in the first round. In 2008, Demekhin partnered with Konstantin Kravchuk, but they were beaten by Sergiy Stakhovsky and Potito Starace 7–6(4), 1–6, in the first round.
He has been inactive since 2009. Demekhine briefly coached Russian player Alla Kudryavtseva, before he began coaching Vera Zvonareva.
The two began working together in April 2010, after the 2010 Family Circle Cup in Charleston, South Carolina.
At first, he was her hitting partner and then became her coach. Under his guidance, Zvonareva reached the finals of the 2010 Wimbledon Championships and the 2010 United States Open, the semifinals of the 2011 Australian Open, and the World Number. 2 ranking. In April 2011 Vera Zvonareva split with Demekhine.