Jan Weinzierl defeated Oscar Serrano 7-5 6-0 in the Spain 2 Masters 3 round of 32 on clay. The upset overturned the form book — Oscar Serrano came in leading the head-to-head 3–0. Jan Weinzierl claimed a first win over Oscar Serrano in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-02-27 | Spain 3 Masters 1 | SF | clay | Oscar Serrano | 6-1 6-2 |
| 1998-02-27 | Spain 3 Masters 2 | F | clay | Oscar Serrano | 7-6 7-5 |
| 1998-02-27 | Spain 3 Masters 4 | QF | clay | Oscar Serrano | 7-5 6-1 |
Averages over each player's completed matches in the selected window (1 vs 18). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. Small sample — read as indicative. About