|
| R32 | 2021 Lexington Challenger | Hard | L | Juan Pablo Ficovich | 6-1 6-2 | [H2H] |
|
| F | 2021 Lexington Challenger | Hard | L | Stefan Kozlov | 3-6 7-6(4) 6-1 | [H2H] |
| QF | 2021 Lexington Challenger | Hard | W | Ryan Harrison | 5-7 2-1 ret. | [H2H] |
|
| R32 | 2021 Nur | Hard | L | Pavel Kotov | 3-6 6-1 6-4 | [H2H] |
|
| F | 2021 Nur | Hard | W | Sanjar Fayziev | 6-2 6-4 | [H2H] |
| QF | 2021 Nur | Hard | W | Daniil Golubev | 6-0 6-1 | [H2H] |
| F | 2021 Nur | Hard | L | Artem Dubrivnyy | 7-6(4) 7-6(3) | [H2H] |
| QF | 2021 Nur | Hard | W | Alexander Igoshin | 6-2 6-3 | [H2H] |
|
| R16 | 2021 M25 Nur-Sultan, Wk. 27 | Hard | L | Yshai Oliel | 7-6(5) 6-2 | [H2H] |
| R32 | 2021 M25 Nur-Sultan, Wk. 27 | Hard | W | Ivan Zaytsev | 6-2 6-2 | [H2H] |
|
| R32 | 2021 M25 Tulsa, Wk. 24 | Hard | L | Govind Nanda | 4-6 7-6(6) 4-0 ret. | [H2H] |
|
| QF | 2021 Waco Challenger | Hard | L | Nicolas Mejia | 7-6(6) 6-3 | [H2H] |
|
| QF | 2021 M15 Marbella, Wk. 21 | Hard | L | Roman Andres Burruchaga | 6-3 7-5 | [H2H] |
| R16 | 2021 M15 Marbella, Wk. 21 | Hard | W | Alberto Barroso Campos | 0-6 6-2 6-2 | [H2H] |
| R32 | 2021 M15 Marbella, Wk. 21 | Hard | W | Alexis Musialek | 7-5 6-3 | [H2H] |
|
| F | 2021 M15 Jerusalem, Wk. 19 | Hard | L | Zane Khan | 6-3 6-4 | [H2H] |
| SF | 2021 M15 Jerusalem, Wk. 19 | Hard | W | Yshai Oliel | 6-3 6-3 | [H2H] |
| QF | 2021 M15 Jerusalem, Wk. 19 | Hard | W | Justin Roberts | 6-4 6-3 | [H2H] |
| R16 | 2021 M15 Jerusalem, Wk. 19 | Hard | W | Sahar Simon | 6-4 6-2 | [H2H] |
| R32 | 2021 M15 Jerusalem, Wk. 19 | Hard | W | Luca Castelnuovo | 7-5 7-5 | [H2H] |
|
| SF | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | L | Ben Patael | 6-2 6-2 | [H2H] |
| QF | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | W | Alexander Cozbinov | 6-2 3-6 6-3 | [H2H] |
| R16 | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | W | Orel Kimhi | 6-4 6-2 | [H2H] |
| R32 | 2021 M15 Ramat Hasharon, Wk. 18 | Hard | W | Lorenzo Vatteroni | 6-1 6-2 | [H2H] |
|
| R16 | 2021 M25 Biel, Wk. 13 | Hard | L | Dan Added | 6-3 6-7(6) 6-2 | [H2H] |
| R32 | 2021 M25 Biel, Wk. 13 | Hard | W | Jesper DE Jong | 4-6 6-1 6-4 | [H2H] |
|
| F | 2021 Lille Challenger | Hard | L | Zizou Bergs | 6-4 6-4 | [H2H] |
| QF | 2021 Lille Challenger | Hard | W | Tobias Simon | 6-2 7-6(6) | [H2H] |
|
| QF | 2021 M15 Poitiers, Wk. 11 | Hard | L | Jaimee Floyd Angele | 6-4 6-3 | [H2H] |
| R16 | 2021 M15 Poitiers, Wk. 11 | Hard | W | Cyril Vandermeersch | 7-6(3) 6-7(5) 6-0 | [H2H] |
