Monica Seles defeated Florencia Labat 6-7 6-1 6-2 in the Madrid semi-final on clay. The result followed the form book — Monica Seles came in leading the head-to-head 1–0. Monica Seles extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-31 | US Open | R128 | hard | Monica Seles | 7-6 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.