Pedro Nieto defeated Mounir El Aarej 6-3 6-1 in the Spain F9 round of 32 on clay. The result followed the form book — Pedro Nieto came in leading the head-to-head 1–0. Pedro Nieto extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-03 | Spain 4 Masters 4 | R32 | clay | Pedro Nieto | 6-4 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.