Markus Wislsperger defeated Radim Zitko 3-6 6-1 6-3 in the Denmark Masters 3 round of 16 on clay. The upset overturned the form book — Radim Zitko came in leading the head-to-head 1–0. Markus Wislsperger claimed a first win over Radim Zitko in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-06-27 | Denmark Masters 4 | R32 | clay | Radim Zitko | 6-3 6-1 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.