Ondrej Horak advanced when Tomas Papik retired 7-5 1-3 in the M25 Wroclaw 1 q64. Ondrej Horak claimed a first win over Tomas Papik in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-17 | M25 Jablonec nad Nisou 1 | Q32 | clay | Tomas Papik | 6-1 6-4 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.