Felix Mantilla defeated Albert Portas 5-7 7-5 7-5 in the Sopot round of 16 on clay. The upset overturned the form book — Albert Portas came in defending last year's round of 16. Felix Mantilla extended the head-to-head to 3–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-02-17 | Buenos Aires | R32 | clay | Felix Mantilla | 6-3 6-1 |
| 2001-09-24 | Palermo | SF | clay | Felix Mantilla | 2-6 7-6(4) 6-3 |
| 1999-07-26 | Umag | R16 | clay | Albert Portas | 6-4 6-4 |
| 1997-07-14 | Stuttgart Outdoor | QF | clay | Albert Portas | 6-2 6-4 |
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 (64 vs 50). ATP, WTA & Challenger.