Nikokaly Davydenko of Russia beat Mischa Zverev of Germany 2-6, 6-3, 6-3 on Tuesday in the first round of the Moselle Open.
Davydenko had his serve broken three times in the first set against Zverev, who had seven aces in the match. Davydenko stepped things up in the second set and converted his three break points. He'll face either Frenchman Paul-Henri Mathieu or Gilles Muller of Luxembourg.
Also, Clement Reix beat Edouard Roger-Vasselin 6-3, 3-6, 7-5 in an all-French match and will meet defending champion and top-seeded Jo-Wilfried Tsonga.
In other first-round play, Ivo Karlovic of Croatia won 7-6 (5), 7-6 (3) against qualifier Kenny de Schepper, Vincent Millot of France beat Igor Sijsling 6-4, 6-4 and Frenchman Benoit Paire defeated Xavier Malisse 6-1, 6-4.