Steffi Graf defeated Magui Serna 6-4 6-4 in the Birmingham quarter-final on grass. The upset overturned the form book — Magui Serna came in defending last year's round of 32. Steffi Graf extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-17 | Canadian Open | R16 | hard | Magui Serna | 6-4 6-4 |
| 1997-05-26 | Roland Garros | R32 | clay | Steffi Graf | 7-6(4) 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.