Desislava Topalova defeated Greta Arn 5-7 7-6 6-3 in the Makarska 10K round of 16 on clay. The upset overturned the form book — Greta Arn came in leading the head-to-head 1–0. Desislava Topalova claimed a first win over Greta Arn in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-07-29 | Horb 10K | QF | clay | Greta Arn | 6-0 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.