Jana Novotna defeated Magui Serna 2-6 6-1 6-1 in the Canadian Open quarter-final on hard. The upset overturned the form book — Magui Serna came in defending last year's round of 16. Jana Novotna extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-04-27 | Hamburg | R16 | clay | Jana Novotna | 6-4 6-2 |
| 1998-03-30 | Hilton Head | R16 | clay | Magui Serna | 3-6 6-4 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.