Oscar Martinez Dieguez defeated German Lopez 6-3 3-6 6-3 in the Spain 2 Masters 4 round of 32 on clay. Oscar Martinez Dieguez extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-01-03 | Spain 1 Masters 4 | R16 | clay | German Lopez | 6-7 6-3 6-4 |
| 1994-02-04 | Spain 1 Masters 1 | QF | hard | Oscar Martinez Dieguez | 6-1 1-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.