Oscar Martinez Dieguez defeated Juan Antonio Saiz Panadero 6-3 7-5 in the Spain 4 Masters 4 round of 16 on clay. The result followed the form book — Oscar Martinez Dieguez came in leading the head-to-head 3–1. Oscar Martinez Dieguez extended the head-to-head to 4–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2000-04-07 | Spain 4 4 | R16 | clay | Oscar Martinez Dieguez | 7-6(4) 4-6 6-3 |
| 1999-07-12 | Spain F2 | R16 | clay | Oscar Martinez Dieguez | 7-6 6-4 |
| 1999-02-26 | Spain 3 Masters 3 | R32 | clay | Juan Antonio Saiz Panadero | 7-6 7-5 |
| 1997-10-17 | Spain 9 Masters 4 | R16 | clay | Oscar Martinez Dieguez | 5-7 6-4 6-1 |