Michal Mikula defeated Scott Duncan 6-4 6-2 in the M15 Opava 1 round of 32 on carpet. The result followed the form book — Michal Mikula came in leading the head-to-head 2–0. Michal Mikula extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-11-24 | M15 Ostrava 1 | R32 | hard | Michal Mikula | 4-6 6-4 6-4 |
| 2021-05-04 | M15 Ramat Hasharon 1 | Q16 | hard | Michal Mikula | 6-4 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.