Jurgen Melzer loses at Grand Prix Hassan II in Morocco

Austrian Jurgen Melzer is ranked No. 37 on the ATP Tour.

Lynne Sladky/AP

Two-time defending champion Pablo Andujar was ousted from the Grand Prix Hassan II on Tuesday, losing 6-4, 2-6, 6-3 in the first round to qualifier Pablo Carreno-Busta in a match between Spaniards.

Carreno-Busta, ranked 237 places below his opponent, will next play second-seeded Kevin Anderson of South Africa.

Tobias Kamke of Germany beat fifth-seeded Jurgen Melzer of Austria 6-3, 6-3, and Guillermo Garcia-Lopez downed sixth-seeded Daniel Gimeno-Traver 7-6 (5), 3-6, 6-3 in an all-Spanish match.

Kamke will play former top-five player Tommy Robredo of Spain. Garcia-Lopez faces France's Edouard Roger-Vasselin, who rallied past Albert Montanes of Spain 3-6, 6-4, 6-4.

Eighth-seeded Grega Zemlja edged Matthias Bachinger of Germany 6-7 (3), 7-5, 7-6 (2) in a match featuring 16 aces. The Slovenian next faces Henri Laaksonen after the Swiss qualifier beat Younes Rachidi of Morocco 6-3, 6-7 (8), 6-1.

Italian qualifier Filipo Volandri topped Paul-Henri Mathieu of France 6-3, 7-5 and will play third-seeded Martin Klizan of Slovakia. Aljaz Bedene defeated French qualifier Marc Gicquel 6-1, 6-4. The Slovenian next faces fourth-seeded Benoit Paire.