David Diaz Ventura defeated Carlos Poch Gradin 7-6 7-5 in the Spain F14 round of 16 on clay. The upset overturned the form book — Carlos Poch Gradin came in leading the head-to-head 2–0. David Diaz Ventura claimed a first win over Carlos Poch Gradin in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-01-28 | Spain F4 | R32 | clay | Carlos Poch Gradin | 6-2 6-4 |
| 2008-01-21 | Spain F3 | R32 | clay | Carlos Poch Gradin | 7-5 6-1 |