Guillermo Olaso defeated David Diaz Ventura 6-4 6-3 in the Bosnia & Herzegovina F6 semi-final on clay. The result followed the form book — Guillermo Olaso came in leading the head-to-head 1–0. Guillermo Olaso extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2008-03-17 | Spain F11 | R32 | clay | Guillermo Olaso | 7-6(3) 6-7(5) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.