Marcelo Palacios Siegenthale defeated Mario Cuellar Gonzalez 6-1 6-1 in the Spain F25 round of 32 on clay. The result followed the form book — Marcelo Palacios Siegenthale came in leading the head-to-head 1–0. Marcelo Palacios Siegenthale extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-08-18 | Spain F32 | R32 | clay | Marcelo Palacios Siegenthale | 7-5 6-3 |