Thorsten Wolff defeated Marko Tkalec 4-6 7-6 6-1 in the Turkey 3 Masters 3 round of 32 on hard. The upset overturned the form book — Marko Tkalec came in leading the head-to-head 1–0. Thorsten Wolff claimed a first win over Marko Tkalec in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1998-05-02 | Croatia 2 Masters 4 | R32 | clay | Marko Tkalec | 6-3 6-2 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.