|
| R32 | 2021 M15 Sharm El Sheikh, Wk. 42 | Hard | L | Ryan Nijboer | 6-1 6-0 | [H2H] |
|
| R32 | 2021 M15 Sharm El Sheikh, Wk. 41 | Hard | L | Kelsey Stevenson | 6-1 1-6 7-5 | [H2H] |
|
| R32 | 2021 M15 Sharm El Sheikh, Wk. 40 | Hard | L | Nitin Kumar Sinha | 4-6 6-1 6-2 | [H2H] |
|
| F | 2021 M15 Pirot, Wk. 38 | Clay | L | Luka Pavlovic | 6-2 6-2 | [H2H] |
| SF | 2021 M15 Pirot, Wk. 38 | Clay | W | Andrey Chepelev | 6-4 4-6 7-5 | [H2H] |
| QF | 2021 M15 Pirot, Wk. 38 | Clay | W | Calin Manda | 6-4 6-1 | [H2H] |
| R16 | 2021 M15 Pirot, Wk. 38 | Clay | W | Giorgio Tabacco | 6-4 6-3 | [H2H] |
| R32 | 2021 M15 Pirot, Wk. 38 | Clay | W | Lukas Palovic | 6-4 6-4 | [H2H] |
|
| R16 | 2021 M15 Curtea de Arges, Wk. 32 | Clay | L | Nicholas David Ionel | 6-1 6-1 | [H2H] |
| R32 | 2021 M15 Curtea de Arges, Wk. 32 | Clay | W | Vlad Andrei Dumitru | 7-5 6-1 | [H2H] |
|
| F | 2021 M15 Curtea de Arges, Wk. 32 | Clay | W | Bogdan Pavel | 6-1 6-1 | [H2H] |
| SF | 2021 M15 Curtea de Arges, Wk. 32 | Clay | W | Dan Radu Munteanu | 6-1 6-3 | [H2H] |
| QF | 2021 M15 Curtea de Arges, Wk. 32 | Clay | W | Cyrus | 6-0 6-0 | [H2H] |
|
| QF | 2021 M15 Cairo, Wk. 29 | Clay | L | Mathieu Perchicot | 6-3 6-1 | [H2H] |
| R16 | 2021 M15 Cairo, Wk. 29 | Clay | W | Sean Hess | 6-4 6-4 | [H2H] |
| R32 | 2021 M15 Cairo, Wk. 29 | Clay | W | Belal Abou Taleb | 6-1 6-1 | [H2H] |
|
| R32 | 2021 Iasi Challenger | Clay | L | Duje Ajdukovic | 6-3 6-2 | [H2H] |
|
| QF | 2021 M15 Poprad, Wk. 27 | Clay | L | Damien Wenger | 6-4 6-1 | [H2H] |
| R16 | 2021 M15 Poprad, Wk. 27 | Clay | W | Marco Miceli | 6-3 3-6 7-5 | [H2H] |
| R32 | 2021 M15 Poprad, Wk. 27 | Clay | W | Michal Novansky | 6-3 6-7(4) 7-6(5) | [H2H] |
|
| R32 | 2021 M15 Antalya, Wk. 24 | Clay | L | Facundo Juarez | 6-2 6-4 | [H2H] |
|
| QF | 2021 M15 Antalya, Wk. 23 | Clay | L | Stefanos Sakellaridis | 6-2 7-6(4) | [H2H] |
|
| QF | 2021 M15 Bucharest, Wk. 21 | Clay | L | Pol Toledo Bague | 7-6(5) 6-0 | [H2H] |
| R16 | 2021 M15 Bucharest, Wk. 21 | Clay | W | Mathieu Perchicot | 4-6 6-3 6-3 | [H2H] |
| R32 | 2021 M15 Bucharest, Wk. 21 | Clay | W | Juan Pablo Paz | 6-2 6-3 | [H2H] |
|
| F | 2021 M15 Bucharest, Wk. 21 | Clay | W | Vladimir Filip | 6-1 6-1 | [H2H] |
| SF | 2021 M15 Bucharest, Wk. 21 | Clay | W | Stefan Adrian Andreescu | 6-2 6-3 | [H2H] |
| QF | 2021 M15 Bucharest, Wk. 21 | Clay | W | Natan D'Hulst | 6-1 6-0 | [H2H] |
|
| R16 | 2021 M15 Antalya, Wk. 20 | Clay | L | Benjamin Hassan | 6-3 7-5 | [H2H] |
| R32 | 2021 M15 Antalya, Wk. 20 | Clay | W | Daniil Glinka | 7-6(4) 6-2 | [H2H] |
