Father, Mikhail, is deceased; mother, Lubov, is an economist; brother, Andrei.
Childhood hero was Stefan Edberg.
At age 13, ballboyed for 1995 Russia-USA Davis Cup final in Moscow and met Pete Sampras, Jim Courier and Todd Martin.
Graduated with Philosophy Doctor's Degree from the University of Moscow on 15 November 2011.
Wife, Yulia; sons, Maxim and Igor.
Fitness trainer is Oleg Mosiakov.
Announced plans to retire following 2018 St. Petersburg. Appeared in 16 straight editions of tournament (2001-13, 2015-17).
(UPDATED 30 AUGUST 2018)
Ended 13 straight seasons in Top 50 (2002-14) and 16 of last 17 seasons in Top 100 (2001-14, 2016-17). Broke into Top 10 in 2007, achieved career-high No. 8 in 2008 and finished in Top 10 for 1st time in 2010.
Captured 10titles, including 2 on home soil at 2004 St. Petersburg and 2009 Moscow. Earned 20+ victories in 13 straight seasons (2001-13), highlighted by 50-win campaign in 2007. Enjoyed 400th win of career in 2013 Doha 1R (d. Becker). Boasts 2nd-most wins among Russians with 498 (Kafelnikov 609). Owns 4 wins vs. World No. 2, highlighted by 6-06-1 rout ofNadal in 2008 Chennai final. Remains most lopsided loss of Nadal's career.
Also defeated No. 2 Nadal to reach 2006 US Open SF. Returned to US Open SF in 2010. Reached QFs of all 4 Grand Slams, including Australian Open in 2008, Roland Garros in 2010 and Wimbledon in 2012.
Advanced to6 ATP Masters 1000 QFs, most recently at 2014 Shanghai. Earned 2 of his 31 Top 10 wins over Gonzalez and Haas to advance to 2007 ATP Masters 1000 Paris QF.
Rallied Russia to 2002 Davis Cup title by coming back from 2 sets down to defeat Mathieu (RUS d. FRA 3-2). Also played in 2007 Davis Cup final (USA d. RUS 4-1).