She has played on the U.S. national team in all Women's Olympiads since 2004 and in three Women's World Team Championships. Her team won the team silver medal in the 2004 Olympiad and the team bronze in the 2008 Olympiad; she also won the gold medal on at the 2008 Olympiad, and the silver medal on board one at the 2017 Women's World Team Championship. Zatonskih won the United States Women's Chess Championship in 2006, 2008, 2009 and 2011. In 2008, she defeated the defending U.S. women's champion, Irina Krush, in a playoff held with the "" format.