|
| R32 | 2021 M25 Prostejov, Wk. 33 | Clay | L | Daniel Paty | 6-3 6-7(4) 6-4 | [H2H] |
|
| SF | 2021 M15 Gdynia, Wk. 32 | Clay | L | Julius Tverijonas | 6-1 6-2 | [H2H] |
| QF | 2021 M15 Gdynia, Wk. 32 | Clay | W | Kamil Gajewski | 6-2 7-6(5) | [H2H] |
|
| F | 2021 M25 Wetzlar, Wk. 31 | Clay | L | Gabriel Alejandro Hidalgo | 6-2 6-3 | [H2H] |
| QF | 2021 M25 Wetzlar, Wk. 31 | Clay | W | Joel Link | 6-0 6-4 | [H2H] |
|
| R32 | 2021 M25 Marburg, Wk. 27 | Clay | L | Tim Handel | 2-6 6-4 6-4 | [H2H] |
|
| F | 2021 M25 Marburg, Wk. 27 | Clay | W | Amaury Raynel | 6-4 6-4 | [H2H] |
| QF | 2021 M25 Marburg, Wk. 27 | Clay | W | Karlo Cubelic | 6-4 6-2 | [H2H] |
|
| R32 | 2021 M25 Most, Wk. 21 | Clay | L | Patrik Rikl | 6-1 6-2 | [H2H] |
|
| F | 2021 M25 Most, Wk. 21 | Clay | L | Martin Damm | 6-3 6-3 | [H2H] |
| SF | 2021 M25 Most, Wk. 21 | Clay | W | Roman Postolka | 6-3 6-7(6) 10-6 | [H2H] |
| QF | 2021 M25 Most, Wk. 21 | Clay | W | Martin Machala | 6-4 6-0 | [H2H] |
|
| SF | 2021 M25 Jablonec nad Nisou, Wk. 20 | Clay | L | Lenny Hampel | 6-2 7-5 | [H2H] |
| QF | 2021 M25 Jablonec nad Nisou, Wk. 20 | Clay | W | Boris Stastny | 6-2 6-4 | [H2H] |
|
| SF | 2021 M25 Prague, Wk. 19 | Clay | L | Franco Agamenone | 6-0 6-2 | [H2H] |
| QF | 2021 M25 Prague, Wk. 19 | Clay | W | Kris Krawcewicz | 2-6 7-5 10-7 | [H2H] |
|
| F | 2021 M15 St. Petersburg, Wk. 15 | Hard | L | Sarp Agabigun | 6-4 6-2 | [H2H] |
| QF | 2021 M15 St. Petersburg, Wk. 15 | Hard | W | Evgeny Philippov | 7-5 6-3 | [H2H] |
|
| F | 2021 M15 St. Petersburg, Wk. 14 | Hard | L | Yanki Erel | 7-5 6-2 | [H2H] |
| QF | 2021 M15 St. Petersburg, Wk. 14 | Hard | W | Aliaksandr Liaonenka | 6-4 6-2 | [H2H] |
|
| F | 2021 M15 Bratislava, Wk. 10 | Hard | L | Neil Oberleitner | 3-2 ret. | [H2H] |
| QF | 2021 M15 Bratislava, Wk. 10 | Hard | W | Jakub Novak | 6-2 6-3 | [H2H] |
|
| R32 | 2021 M15 Bratislava, Wk. 9 | Hard | L | Zsombor Piros | 6-4 6-3 | [H2H] |
|
| F | 2021 M15 Bratislava, Wk. 9 | Hard | W | Neil Oberleitner | 4-6 7-6(7) 10-3 | [H2H] |
| QF | 2021 M15 Bratislava, Wk. 9 | Hard | W | Matej Galik | 6-4 3-6 10-7 | [H2H] |
|
| SF | 2020 M15 Heraklion, Wk. 46 | Hard | L | Sean Hodkin | 6-4 6-1 | [H2H] |
| QF | 2020 M15 Heraklion, Wk. 46 | Hard | W | Luca Castelnuovo | 6-2 4-6 10-7 | [H2H] |
|
| QF | 2020 M15 Heraklion, Wk. 44 | Hard | L | Michalis Sakellaridis | 1-6 6-3 10-7 | [H2H] |
|
| SF | 2020 M25 Pardubice, Wk. 40 | Clay | L | Mick Veldheer | 4-6 6-3 14-12 | [H2H] |
| QF | 2020 M25 Pardubice, Wk. 40 | Clay | W | Adrian Vorhemus | 6-1 6-1 | [H2H] |
