Jana Novotna defeated Sandrine Testud 6-1 6-4 in the Hanover quarter-final on carpet. The result followed the form book — Jana Novotna came in leading the head-to-head 2–0, defending last year's final. Jana Novotna extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-31 | US Open | R32 | hard | Jana Novotna | 6-2 6-3 |
| 1998-07-06 | Prague | F | clay | Jana Novotna | 6-3 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.