Gerard Granollers defeated David Diaz Ventura 7-5 6-4 in the Spain F14 round of 16 on clay. The upset overturned the form book — David Diaz Ventura came in leading the head-to-head 2–1, but Gerard Granollers had been the form player, winning 3 of their last 6 on clay. Gerard Granollers narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-10-20 | Spain F40 | R32 | clay | Gerard Granollers | 4-6 7-6(4) 6-2 |
| 2008-05-12 | Spain F19 | SF | clay | David Diaz Ventura | 6-0 6-2 |
| 2007-03-19 | Spain F11 | R32 | clay | David Diaz Ventura | 7-5 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.