Santiago Ventura defeated Oscar Martinez Dieguez 6-1 6-0 in the Spain F5 qualifying round on clay. The result followed the form book — Santiago Ventura came in leading the head-to-head 1–0. Santiago Ventura extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-04-09 | Spain 4 Masters 2 | SF | clay | Santiago Ventura | 6-7 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.