Hamburg, Germany:
Spanish qualifier Pere Riba rallied to upset last year's runner-up Paul-Henri Mathieu of France 1-6, 6-0, 6-3 on Monday for a spot in the second round of the German Open.
Italian duo Potito Starace and Fabio Fognini also reached the second round, posting straight-sets wins.
Starace defeated German qualifier Bjorn Phau 7-5, 6-0. Fognini beat Ruben Ramirez Hidalgo of Spain 7-6 (4), 6-4.
In other games, Florian Mayer of Germany beat Pablo Cuevas of Uruguay 6-4, 6-1, and Maximo Gonzalez of Argentina defeated Olivier Rochus of Belgium 6-4, 5-7, 6-2. Rochus' brother Christophe also lost, going out 6-3, 7-6 (6) to Jarkko Nieminen of Finland.
Others who advanced included Jan Hajek of the Czech Republic, Denis Istomin of Uzbekistan, Andrey Golubev of Kazakhstan and Florent Serra of France.
Italian duo Potito Starace and Fabio Fognini also reached the second round, posting straight-sets wins.
Starace defeated German qualifier Bjorn Phau 7-5, 6-0. Fognini beat Ruben Ramirez Hidalgo of Spain 7-6 (4), 6-4.
In other games, Florian Mayer of Germany beat Pablo Cuevas of Uruguay 6-4, 6-1, and Maximo Gonzalez of Argentina defeated Olivier Rochus of Belgium 6-4, 5-7, 6-2. Rochus' brother Christophe also lost, going out 6-3, 7-6 (6) to Jarkko Nieminen of Finland.
Others who advanced included Jan Hajek of the Czech Republic, Denis Istomin of Uzbekistan, Andrey Golubev of Kazakhstan and Florent Serra of France.
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