Santiago Ventura defeated Oscar Martinez Dieguez 6-7 6-3 6-1 in the Spain 4 Masters 2 semi-final 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 |
|---|---|---|---|---|---|
| 1998-08-03 | Spain F5 | QF | clay | Santiago Ventura | 6-1 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.