On Tuesday, June 3rd, the first round matches of the clay court ATP Challenger tournament took place in Heilbronn, Germany.
In one of the matches, Russian qualifier Alexey Vatutin was defeated by Dominic Stricker of Switzerland with a score of 3-6, 5-7.
Another Russian player, Marat Sharipov, also exited the tournament after losing to the fifth seed, Emilio Nava of the USA, 3-6, 3-6.
