Robin Stanek advanced when Jan Satral retired 6-3 2-1 in the M25 Pardubice 1 round of 32. Robin Stanek claimed a first win over Jan Satral in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-05-20 | M25 Jablonec nad Nisou 1 | R16 | clay | Jan Satral | 7-5 1-6 6-4 |
| 2021-05-11 | M25 Prague 1 | Q16 | clay | Jan Satral | 6-3 6-4 |