Karim Alami defeated Felix Mantilla 3-6 7-5 6-1 in the Estoril quarter-final on clay. The upset overturned the form book — Felix Mantilla came in leading the head-to-head 3–0, defending last year's semi-final. Karim Alami claimed a first win over Felix Mantilla in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-04-12 | Barcelona | F | clay | Felix Mantilla | 7-6(2) 6-3 6-3 |
| 1998-02-09 | Dubai | R32 | hard | Felix Mantilla | 6-4 6-2 |
| 1997-06-09 | Bologna | SF | clay | Felix Mantilla | 6-3 6-2 |
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 (161 vs 200). ATP, WTA & Challenger.