The Russian player lost to Jakub Mensik from the Czech Republic PARIS, June 1. /TASS/. Russia's Andrey Rublev lost to Czech player Jakub Mensik in the fourth round of the French Open in Paris. Mensik, the tournament's 26th seed, won 6-3, 7-6 (8-6), 4-6, 2-6, 6-3. Rublev was seeded 11th. In the quarterfinals, the Czech player will face the winner of the match between Norway's Casper Ruud, the 15th seed, and Brazil's Joao Fonseca, seeded 28th. Following Rublev's defeat, Russia no longer has any