Gael Monfils beat 2010 Hamburg champion Andrey Golubev of Kazakhstan 6-3, 6-3 to make the second round of the clay-court tournament. Golubev had to qualify for this year's event.
Among other first-round winners were Federico Delbonis of Argentina, Robin Haase of Netherlands, Blaz Kavcic of Slovenia, Jan-Lennard Struff of Germany and three Spaniards — Guillermo Garcia-Lopez, Albert Ramos and Marcel Granollers.
Results from the ATP Hamburg tournament on (x denotes seeding):
First round:
Frederico Delbonis (ARG) bt Julian Reister (GER) 6-3, 6-3
Guillermo Garcia-Lopez (ESP) bt Daniel Gimeno-Traver (ESP) 6-3, 6-3
Blaz Kavcic (SLO) bt Victor Hanecu (ROM) 4-6, 6-1, 6-1
Jan-Lennard Struff (GER) bt Leonardo Mayer (ARG) 3-6, 6-4, 6-4
Robin Haase (NED) bt Diego Sebastian Schwartzman (ARG) 7-6 (7/3), 4-6, 7-5
Marcel Granollers (ESP) bt Thomas Bellucci (BRA) 6-3, 5-7, 6-3
Albert Ramos (ESP) bt Horacio Zeballos (ARG) 7-6(9/7), 7-6 (7/4)
Carlos Berloco (ARG) bt Matthias Bachinger (GER) 7-6 (7/5), 6-1
Gael Monfils (FRA) bt Andrey Golubev (KAZ) 6-3, 6-3
Second round:
Nicolas Almagro (ESP x3) bt Tobias Kamke (GER) 6-3, 6-3
Benoit Paire (FRA x9) bt Albert Montanes (ESP) 6-1, 6-4
Florian Mayer (GER) bt Alexandr Dolgopolov (UKR x7) 6-3, 6-4
Dmitry Tursunov (RUS) bt Jeremy Chardy (FRA x8) 6-4, 7-6(7/1)