Oscar Martinez Dieguez defeated Albert Portas 6-2 6-7 6-2 in the Spain 1 Masters 1 final on hard. The upset overturned the form book — Albert Portas came in leading the head-to-head 1–0. Oscar Martinez Dieguez claimed a first win over Albert Portas in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1992-04-20 | Spain 3 Masters 2 | R16 | hard | Albert Portas | 7-5 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.