Oscar Martinez Dieguez defeated Carlos Gomez Diaz 7-6 7-5 in the Spain 3 Masters 1 round of 16 on clay. The upset overturned the form book — Carlos Gomez Diaz came in leading the head-to-head 1–0. Oscar Martinez Dieguez claimed a first win over Carlos Gomez Diaz in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1993-03-27 | Morocco Masters 2 | QF | clay | Carlos Gomez Diaz | 6-3 6-3 |