Oliver Gross defeated Alberto Berasategui 6-3 6-2 in the Hamburg round of 32 on clay. The upset overturned the form book — Alberto Berasategui came in leading the head-to-head 1–0, defending last year's round of 64, but Oliver Gross had been the form player, winning 4 of their last 7 on clay. Oliver Gross claimed a first win over Alberto Berasategui in two meetings, narrowing the head-to-head to 1–1.
Gross O. took it in straight sets.
Gross O. and Berasategui A. faced 1 of the same opponent in the last 12 months. Gross O. went 0–1 (0%) against them, Berasategui A. 1–0 (100%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.