Tomas Cakl defeated Jiri Vencl 6-1 6-4 in the Czech Republic Masters 2 round of 16 on carpet. The upset overturned the form book — Jiri Vencl came in leading the head-to-head 1–0. Tomas Cakl claimed a first win over Jiri Vencl in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1999-10-25 | Czech Republic Masters 1 | R32 | carpet | Jiri Vencl | 4-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.