Won ITF competitions in Korolev, McAllen, Small Rock and roll, and Phnom Penh and in addition won the Orange Dish. He performed in the ITF junior competition in Ozerov in 1999 when he was 13 years of age. He competed in the 2002 Junior Australian Open up. His sibling Dmitri Sitak also became a specialist tennis participant. His pro debut emerged at a challenger competition in Togliatti, Russia, but he dropped in the initial round to Adam Blake’s sibling Thomas.