Radim Zitko defeated Markus Wislsperger 6-3 6-1 in the Denmark Masters 4 round of 32 on clay. The upset overturned the form book — Markus Wislsperger came in leading the head-to-head 1–0, but Radim Zitko had been the form player, winning 2 of their last 5 on clay. Radim Zitko claimed a first win over Markus Wislsperger in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-06-27 | Denmark Masters 3 | R16 | clay | Markus Wislsperger | 3-6 6-1 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.