CASABLANCA, Morocco, May 19 (UPI) -- Top-seeded Frenchmen Jo-Wilfried Tsonga and Gael Monfils were first-round winners Monday at the Grand Prix Hassan II in Casablanca, Morocco.
Montanes was last year's Casablanca runner-up to Frenchman Paul-Henri Mathieu.
All of this week's eight seeds saw action Monday.
Other winners included third-seeded Argentine Agustin Calleri, fourth-seeded Frenchman Marc Gicquel and fifth-seeded Frenchman Julien Benneteau. Sixth-seeded Aussie Chris Guccione, seventh-seeded Frenchman Florent Serra and eighth-seeded Romanian Victor Hanescu were all upset.