|
| QF | 2021 Manama Challenger | Hard | L | Tobias Simon | 4-6 6-3 6-0 | [H2H] |
|
| R16 | 2021 M15 New Delhi, Wk. 46 | Hard | L | Nitin Kumar Sinha | 3-6 7-6(4) 6-0 | [H2H] |
| R32 | 2021 M15 New Delhi, Wk. 46 | Hard | W | Nishant Dabas | 6-1 6-1 | [H2H] |
|
| QF | 2021 M25 Nur-Sultan, Wk. 42 | Hard | L | Denis Yevseyev | 4-3 ret. | [H2H] |
| R16 | 2021 M25 Nur-Sultan, Wk. 42 | Hard | W | Sergey Fomin | 6-3 6-1 | [H2H] |
| R32 | 2021 M25 Nur-Sultan, Wk. 42 | Hard | W | Khumoun Sultanov | 6-4 6-3 | [H2H] |
|
| R32 | 2021 M25 Skopje, Wk. 39 | Clay | L | Henri Squire | 6-2 6-3 | [H2H] |
|
| SF | 2021 M25 Pardubice, Wk. 38 | Clay | L | Filip Misolic | 6-4 6-4 | [H2H] |
| QF | 2021 M25 Pardubice, Wk. 38 | Clay | W | Robin Stanek | 6-7(2) 7-5 6-3 | [H2H] |
| R16 | 2021 M25 Pardubice, Wk. 38 | Clay | W | Daniel Siniakov | 4-6 6-1 6-2 | [H2H] |
| R32 | 2021 M25 Pardubice, Wk. 38 | Clay | W | Lukas Pokorny | 6-7(4) 6-2 6-1 | [H2H] |
|
| SF | 2021 M15 Ulcinj, Wk. 35 | Clay | L | Gergely Madarasz | 4-6 6-4 6-4 | [H2H] |
| QF | 2021 M15 Ulcinj, Wk. 35 | Clay | W | Rrezart Cungu | 7-5 4-6 6-2 | [H2H] |
| R16 | 2021 M15 Ulcinj, Wk. 35 | Clay | W | Dominik Palan | 7-6(2) 6-2 | [H2H] |
| R32 | 2021 M15 Ulcinj, Wk. 35 | Clay | W | Bekkhan Atlangeriev | 7-6(2) 3-0 ret. | [H2H] |
|
| R16 | 2021 M15 Bad Waltersdorf, Wk. 34 | Clay | L | Neil Oberleitner | 7-6(8) 6-0 | [H2H] |
| R32 | 2021 M15 Bad Waltersdorf, Wk. 34 | Clay | W | Marco Miceli | 6-3 6-2 | [H2H] |
|
| R32 | 2021 M25 Guayaquil, Wk. 31 | Clay | L | Ricardo Rodriguez - Pace | 2-6 6-3 6-4 | [H2H] |
|
| R16 | 2021 M25 Portoviejo, Wk. 30 | Clay | L | Jose Pereira | 4-6 6-2 7-5 | [H2H] |
| R32 | 2021 M25 Portoviejo, Wk. 30 | Clay | W | Bruno PUJOL Navarro | 6-2 6-3 | [H2H] |
|
| R16 | 2021 M15 Poprad, Wk. 27 | Clay | L | George Loffhagen | 6-3 3-1 ret. | [H2H] |
| R32 | 2021 M15 Poprad, Wk. 27 | Clay | W | Oleksandr Ovcharenko | 6-2 6-2 | [H2H] |
|
| R32 | 2021 M25 Wroclaw, Wk. 26 | Clay | L | Bogdan Bobrov | 6-3 7-5 | [H2H] |
|
| R16 | 2021 M15 Antalya, Wk. 24 | Clay | L | Gonzalo Lama | 6-2 6-2 | [H2H] |
| R32 | 2021 M15 Antalya, Wk. 24 | Clay | W | Tadeas Paroulek | 6-2 6-2 | [H2H] |
|
| R16 | 2021 M15 Shymkent, Wk. 22 | Clay | L | Aleksandre Metreveli | 6-3 6-7(5) 6-3 | [H2H] |
| R32 | 2021 M15 Shymkent, Wk. 22 | Clay | W | Antonio Campo | 6-3 6-2 | [H2H] |
|
| R16 | 2021 M15 Shymkent, Wk. 21 | Clay | L | Damien Wenger | 6-2 6-4 | [H2H] |
| R32 | 2021 M15 Shymkent, Wk. 21 | Clay | W | Andrey Chepelev | 6-4 6-2 | [H2H] |
|
| F | 2021 M15 Brcko, Wk. 20 | Clay | W | Otto Virtanen | 6-3 6-7(4) 6-0 | [H2H] |
