Kacper Cecek defeated Tomas Zib 6-3 4-6 6-4 in the USA 7 Masters 3 round of 16 on hard. The upset overturned the form book — Tomas Zib came in leading the head-to-head 1–0. Kacper Cecek claimed a first win over Tomas Zib in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 1997-11-14 | USA 7 Masters 4 | F | hard | Tomas Zib | 6-3 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.