Olivier Rochus of Belgium defeated fifth seeded German Philipp Petzschner 6-2, 6-3 in the first round of ATP Studena Croatia Open, Umag on Monday.

Rochus entirely dominated the things for a straight set win and never faced a break point in the 1 hour 25 minute match.

He next faces Italian Andreas Seppi in the second round.

Another Italian Potito Starace knocked out seventh-seeded Sergiy Stakhovsky of Russia 6-3, 6-7(5), 6-0.

In other matches of the day, Stephane Robert edged past qualifier and French compatriot Olivier Patience 6-3, 6-2 , while Pablo Cuevas of Uruguay ousted qualifier Simone Vagnozzi of France 6-4, 6-1.