Miho Saeki defeated Magui Serna 4-6 7-6 6-2 in the Indian Wells round of 64 on hard. The upset overturned the form book — Magui Serna came in leading the head-to-head 2–1, defending last year's round of 64. Miho Saeki narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-02-03 | Tokyo | R32 | hard | Miho Saeki | 3-6 6-3 6-3 |
| 1997-08-11 | Canadian Open | R32 | hard | Magui Serna | 7-6 4-6 6-3 |
| 1997-01-13 | Australian Open | R128 | hard | Magui Serna | 6-3 6-7(6) 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.