MOSCOW, September 12 Russian Daria Kasatkina sank after her performance at the US Open to seventh position in the Women's Tennis Association (WTA) Championship race, an updated version of which is published on the official website of the organization. At the US Open, which ended on Sunday, Kasatkina was defeated by Briton Harriet Dart in the first round. Of the Russians, Veronika Kudermetova and Lyudmila Samsonova, who reached the fourth round, became the best at the US Open. Kudermetova moved up two lines and became 10th in the Championship race, Samsonova — 24th.
