Jiri Barnat defeated Dominique Graf 7-5 7-6 in the M25 Prague 1 q16 on clay. The result followed the form book — Jiri Barnat came in leading the head-to-head 1–0. Jiri Barnat extended the head-to-head to 2–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-11-21 | M15 Ostrava 1 | Q32 | hard | Jiri Barnat | 6-4 4-6 10-5 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.