Greul was dispatched by Czech Jan Hajek 7-6 (7-3), 6-4, while Rochus was victimized by former top-10 Frenchman Richard Gasquet 6-1, 6-1 on Day 2 at the clay courts of the Complexe Sportif al Amal.
Also Tuesday, Florent Serra of France, who finished second in last year's Casablanca event, defeated Spaniard Santiago Ventura 6-4, 6-3, while French compatriot Arnaud Clement blasted Spanish qualifier Ivan Navarro 6-3, 6-3.
Jarkko Nieminen of Finland had little trouble with Moroccan wild card Mehdi Ziadi 6-1, 6-1.
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