Arantxa Sanchez Vicario defeated Julie Halard Decugis 6-4 6-4 in the Sydney round of 32 on hard. The upset overturned the form book — Julie Halard Decugis came in leading the head-to-head 1–0. Arantxa Sanchez Vicario claimed a first win over Julie Halard Decugis in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-24 | New Haven | R16 | hard | Julie Halard Decugis | 7-6 6-2 |