Julie Halard Decugis defeated Steffi Graf 5-7 6-4 6-4 in the Berlin quarter-final on grass. The upset overturned the form book — Steffi Graf came in leading the head-to-head 1–0. Julie Halard Decugis claimed a first win over Steffi Graf in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-03 | San Diego | R32 | hard | Steffi Graf | 6-2 6-2 |