Oscar Martinez Dieguez advanced when German Lopez retired 6-1 1-0 in the Spain 1 Masters 1 qualifying round. Oscar Martinez Dieguez extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-01-31 | Spain 2 Masters 4 | R32 | clay | Oscar Martinez Dieguez | 6-3 3-6 6-3 |
| 1997-01-03 | Spain 1 Masters 4 | R16 | clay | German Lopez | 6-7 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.