Jana Novotna defeated Monica Seles 7-5 6-1 in the Madrid final on clay. The upset overturned the form book — Monica Seles came in leading the head-to-head 1–0. Jana Novotna claimed a first win over Monica Seles in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-25 | Roland Garros | QF | clay | Monica Seles | 4-6 6-3 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.