Barbara Schett defeated Mariaan De Swardt 6-4 5-7 6-2 in the Berlin round of 64 on grass. The upset overturned the form book — Mariaan De Swardt came in leading the head-to-head 1–0. Barbara Schett claimed a first win over Mariaan De Swardt in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-08-10 | Boston | F | hard | Mariaan De Swardt | 3-6 7-6 7-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.