Gustavo Kuerten defeated Felix Mantilla 7-6 6-3 in the Barcelona round of 32 on clay. The upset overturned the form book — Felix Mantilla came in defending last year's round of 32. Gustavo Kuerten extended the head-to-head to 4–3.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2003-02-17 | Buenos Aires | QF | clay | Gustavo Kuerten | 6-2 6-7(4) 6-1 |
| 2001-02-26 | Acapulco | R32 | hard | Gustavo Kuerten | 6-4 6-1 |
| 1999-04-19 | Monte Carlo Masters | SF | clay | Gustavo Kuerten | 3-6 6-3 6-4 |
| 1998-08-24 | Long Island | QF | hard | Felix Mantilla | 6-4 2-6 6-4 |
| 1997-07-14 | Stuttgart Outdoor | R16 | clay | Felix Mantilla | 4-1 RET |
| 1997-06-09 | Bologna | F | clay | Felix Mantilla | 4-6 6-2 6-1 |
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 (115 vs 109). ATP, WTA & Challenger.