Sandra Cacic defeated Sandrine Testud 4-6 7-6 7-6 in the Indian Wells round of 16 on hard. The upset overturned the form book — Sandrine Testud came in leading the head-to-head 1–0, defending last year's quarter-final. Sandra Cacic claimed a first win over Sandrine Testud in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-01-05 | Auckland | QF | hard | Sandrine Testud | 6-2 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.