|
| R32 | 2021 M15 Monastir, Wk. 36 | Hard | W | Mwendwa Mbithi | | [H2H] |
|
| R16 | 2021 M15 Monastir, Wk. 35 | Hard | L | Li Tu | 6-3 6-2 | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 35 | Hard | W | Mwendwa Mbithi | 6-2 2-6 7-6(7) | [H2H] |
|
| QF | 2021 Warsaw Challenger | Clay | L | Jan Zielinski | 5-7 6-3 6-3 | [H2H] |
|
| QF | 2021 Segovia Challenger | Hard | L | Dalibor Svrcina | 6-0 3-6 6-2 | [H2H] |
|
| R32 | 2021 Pozoblanco Challenger | Hard | L | Altug Celikbilek | 6-7(3) 6-1 7-6(4) | [H2H] |
|
| R32 | 2021 Todi Challenger | Clay | L | Thiago Agustin Tirante | 6-3 6-2 | [H2H] |
|
| QF | 2021 M25 Belgrade, Wk. 26 | Clay | L | Nick Hardt | 6-3 6-0 | [H2H] |
| R16 | 2021 M25 Belgrade, Wk. 26 | Clay | W | Mirko Martinez | 6-2 5-7 6-2 | [H2H] |
| R32 | 2021 M25 Belgrade, Wk. 26 | Clay | W | Veljko Krstic | 7-6(5) 7-5 | [H2H] |
|
| R32 | 2021 Prostejov Challenger | Clay | L | Tobias Kamke | 6-0 3-6 6-2 | [H2H] |
|
| F | 2021 Prostejov Challenger | Clay | W | Jelle Sels | 7-6(5) 6-4 | [H2H] |
| QF | 2021 Prostejov Challenger | Clay | W | Federico Zeballos | 7-6(4) 6-0 | [H2H] |
|
| F | 2021 Bratislava Challenger | Clay | L | Uladzimir Ignatik | 6-3 7-5 | [H2H] |
| QF | 2021 Bratislava Challenger | Clay | W | Johannes Haerteis | 6-3 7-5 | [H2H] |
|
| QF | 2021 M15 Sarajevo, Wk. 22 | Clay | L | Matheus Pucinelle De Almeida | 6-3 3-6 6-2 | [H2H] |
| R16 | 2021 M15 Sarajevo, Wk. 22 | Clay | W | Duje Kekez | 7-5 6-4 | [H2H] |
| R32 | 2021 M15 Sarajevo, Wk. 22 | Clay | W | Toby Martin | 6-4 6-2 | [H2H] |
|
| R16 | 2021 Salinas Challenger | Hard | L | Nicolas Mejia | 3-6 6-3 6-2 | [H2H] |
| R32 | 2021 Salinas Challenger | Hard | W | Joao Menezes | 6-7(7) 6-4 7-6(4) | [H2H] |
| R32 | 2021 Salinas Challenger | Hard | L | Aziz Dougaz | 6-2 6-2 | [H2H] |
|
| F | 2021 Zadar Challenger | Clay | L | Nikolas Sanchez-izquierdo | 6-2 6-1 | [H2H] |
| QF | 2021 Zadar Challenger | Clay | W | Duje Kekez | 7-6(10) 6-4 | [H2H] |
|
| F | 2021 St. Petersburg 1 Challenger | Clay | L | Artem Dubrivnyy | 4-6 7-6(6) 6-0 | [H2H] |
| QF | 2021 St. Petersburg 1 Challenger | Clay | W | Daniil Glinka | 3-6 7-6(4) 7-5 | [H2H] |
|
| R16 | 2021 M15 Monastir, Wk. 7 | Hard | L | Luca Giacomini | 6-4 4-1 ret. | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 7 | Hard | W | Giovanni Mpetshi Perricard | 6-3 6-3 | [H2H] |
|
| QF | 2021 M15 Monastir, Wk. 6 | Hard | L | Alexander Erler | 6-3 6-1 | [H2H] |
| R16 | 2021 M15 Monastir, Wk. 6 | Hard | W | Naoki Nakagawa | 7-6(4) 7-5 | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 6 | Hard | W | Antonio Massara | 6-7(7) 6-4 6-4 | [H2H] |
