Sergi Duran defeated Juan Carlos Ferrero 6-0 6-4 in the Spain 3 Masters 2 round of 32 on clay. The upset overturned the form book — Juan Carlos Ferrero came in leading the head-to-head 2–1. Sergi Duran narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-01-29 | Spain 2 Masters 1 | QF | clay | Juan Carlos Ferrero | 6-2 6-3 |
| 1999-01-29 | Spain 2 Masters 2 | F | clay | Juan Carlos Ferrero | 6-1 6-4 |
| 1998-01-30 | Spain 2 Masters 3 | R16 | clay | Sergi Duran | 6-2 2-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.