Alberto Martin defeated Oliver Gross 6-4 6-1 in the Casablanca round of 16 on clay. The upset overturned the form book — Oliver Gross came in leading the head-to-head 1–0, but Alberto Martin had been the form player, winning 5 of their last 8 on clay. Alberto Martin claimed a first win over Oliver Gross in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-06-09 | Bologna | R32 | clay | Oliver Gross | 6-2 6-3 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 30). ATP, WTA & Challenger.