|
| F | 2021 Todi Challenger | Clay | L | Giovanni Fonio | 6-3 6-3 | [H2H] |
| QF | 2021 Todi Challenger | Clay | W | Mark Vervoort | 6-2 6-1 | [H2H] |
|
| QF | 2021 M25 Casinalbo, Wk. 27 | Clay | L | Franco Agamenone | 6-2 6-4 | [H2H] |
| R16 | 2021 M25 Casinalbo, Wk. 27 | Clay | W | Antonio Campo | 6-1 6-4 | [H2H] |
| R32 | 2021 M25 Casinalbo, Wk. 27 | Clay | W | Niccolo Inserra | 3-6 6-0 6-3 | [H2H] |
|
| F | 2021 M15 Bergamo, Wk. 25 | Clay | L | Federico Arnaboldi | 6-1 6-2 | [H2H] |
| SF | 2021 M15 Bergamo, Wk. 25 | Clay | W | Alexander Weis | 6-3 6-4 | [H2H] |
| QF | 2021 M15 Bergamo, Wk. 25 | Clay | W | Juan Ignacio Galarza | 6-3 6-3 | [H2H] |
| R16 | 2021 M15 Bergamo, Wk. 25 | Clay | W | Pedro Boscardin Dias | 7-6(8) 6-4 | [H2H] |
| R32 | 2021 M15 Bergamo, Wk. 25 | Clay | W | Remy Bertola | 6-4 6-3 | [H2H] |
|
| R32 | 2021 M15 Antalya, Wk. 24 | Clay | L | Francisco Llanes | 6-7(2) 6-1 7-6(5) | [H2H] |
|
| QF | 2021 M15 Antalya, Wk. 23 | Clay | L | Martin Krumich | 6-2 7-5 | [H2H] |
| R16 | 2021 M15 Antalya, Wk. 23 | Clay | W | Marsel Ilhan | 6-7(5) 7-6(2) 6-3 | [H2H] |
| R32 | 2021 M15 Antalya, Wk. 23 | Clay | W | Bora Sengul | 6-4 6-4 | [H2H] |
|
| R32 | 2021 M15 Antalya, Wk. 18 | Clay | L | Sandro Ehrat | 6-2 7-6(4) | [H2H] |
|
| R32 | 2021 M15 Antalya, Wk. 17 | Clay | L | Peter Heller | 6-1 6-4 | [H2H] |
|
| R16 | 2021 M15 Monastir, Wk. 14 | Hard | L | Evan Zhu | 6-0 6-7(4) 6-3 | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 14 | Hard | W | Thomas George Brun | 6-2 6-2 | [H2H] |
|
| R32 | 2021 M15 Monastir, Wk. 13 | Hard | W | Alex Barrena | | [H2H] |
|
| QF | 2021 M15 Bratislava, Wk. 9 | Hard | L | Vitaliy Sachko | 6-3 6-2 | [H2H] |
| R16 | 2021 M15 Bratislava, Wk. 9 | Hard | W | Daniel Siniakov | 1-6 6-3 6-3 | [H2H] |
| R32 | 2021 M15 Bratislava, Wk. 9 | Hard | W | Pierre Delage | 6-4 4-6 6-2 | [H2H] |
|
| F | 2021 M15 Nur-Sultan, Wk. 6 | Hard | L | Michal Dembek | 6-3 7-6(4) | [H2H] |
| SF | 2021 M15 Nur-Sultan, Wk. 6 | Hard | W | Giacomo Dambrosi | 3-0 ret. | [H2H] |
| QF | 2021 M15 Nur-Sultan, Wk. 6 | Hard | W | Denis Yevseyev | 2-6 7-6(6) 6-1 | [H2H] |
| R16 | 2021 M15 Nur-Sultan, Wk. 6 | Hard | W | Timur Khabibulin | 6-2 6-3 | [H2H] |
| R32 | 2021 M15 Nur-Sultan, Wk. 6 | Hard | W | Mikolaj Lorens | 6-1 6-1 | [H2H] |
|
| QF | 2021 M15 Nur-Sultan, Wk. 5 | Hard | L | Aleksandre Metreveli | 6-4 3-6 7-6(5) | [H2H] |
| R16 | 2021 M15 Nur-Sultan, Wk. 5 | Hard | W | Timur Khabibulin | 6-2 6-3 | [H2H] |
| R32 | 2021 M15 Nur-Sultan, Wk. 5 | Hard | W | Aliaksandr Liaonenka | 6-2 6-4 | [H2H] |
