|
| QF | 2021 M15 Monastir, Wk. 47 | Hard | L | Martyn Pawelski | 6-2 3-6 6-3 | [H2H] |
| R16 | 2021 M15 Monastir, Wk. 47 | Hard | W | Michael Zhu | 6-4 6-2 | [H2H] |
| R32 | 2021 M15 Monastir, Wk. 47 | Hard | W | Martin Breysach | 6-4 6-3 | [H2H] |
|
| R32 | 2021 M15 Benicarlo, Wk. 45 | Clay | L | Pablo Llamas Ruiz | 6-0 6-3 | [H2H] |
|
| R32 | 2021 M15 Torello, Wk. 44 | Hard | L | Pedro Rodenas | 1-6 6-2 6-4 | [H2H] |
|
| R16 | 2021 M15 Selva Gardena, Wk. 43 | Hard | L | Tim Handel | 6-2 6-2 | [H2H] |
| R32 | 2021 M15 Selva Gardena, Wk. 43 | Hard | W | Yannik Steinegger | 3-6 6-3 7-6(1) | [H2H] |
|
| R16 | 2021 M25 Skopje, Wk. 39 | Clay | L | Matteo Arnaldi | 6-3 6-1 | [H2H] |
| R32 | 2021 M25 Skopje, Wk. 39 | Clay | W | Koray Kirci | 6-2 6-2 | [H2H] |
|
| F | 2021 M25 Skopje, Wk. 39 | Clay | W | Shendrit Deari | 5-7 6-2 10-2 | [H2H] |
| SF | 2021 M25 Skopje, Wk. 39 | Clay | W | Berk Bugarikj | 6-3 6-3 | [H2H] |
|
| R16 | 2021 M15 Pirot, Wk. 38 | Clay | L | Calin Manda | 6-3 6-1 | [H2H] |
| R32 | 2021 M15 Pirot, Wk. 38 | Clay | W | Riccardo Balzerani | 6-1 7-5 | [H2H] |
|
| R16 | 2021 M15 Zlatibor, Wk. 37 | Clay | L | Yan Bondarevskiy | 6-2 6-2 | [H2H] |
| R32 | 2021 M15 Zlatibor, Wk. 37 | Clay | W | Luka Kalenic | 6-1 6-0 | [H2H] |
|
| R32 | 2021 M15 Bad Waltersdorf, Wk. 35 | Clay | L | Filip Misolic | 7-6(7) 6-3 | [H2H] |
|
| F | 2021 M15 Bad Waltersdorf, Wk. 35 | Clay | W | Stefanos Sakellaridis | 6-0 5-7 10-7 | [H2H] |
| SF | 2021 M15 Bad Waltersdorf, Wk. 35 | Clay | W | Rafael KIS Balazs | 6-2 6-3 | [H2H] |
|
| SF | 2021 M15 Bad Waltersdorf, Wk. 34 | Clay | L | Admir Kalender | 6-2 6-1 | [H2H] |
| QF | 2021 M15 Bad Waltersdorf, Wk. 34 | Clay | W | Matic Dimic | 4-6 7-6(4) 10-8 | [H2H] |
|
| R16 | 2021 M15 Warmbad-Villach, Wk. 33 | Clay | L | Sebastian Prechtel | 6-4 3-6 6-1 | [H2H] |
| R32 | 2021 M15 Warmbad-Villach, Wk. 33 | Clay | W | Fermin Tenti | 7-5 6-4 | [H2H] |
|
| R16 | 2021 M15 Bergamo, Wk. 25 | Clay | L | Alexander Weis | 5-1 ret. | [H2H] |
| R32 | 2021 M15 Bergamo, Wk. 25 | Clay | W | Luca Potenza | 4-6 6-0 6-2 | [H2H] |
|
| F | 2021 M15 Bergamo, Wk. 25 | Clay | W | Ronan Joncour | 6-1 6-2 | [H2H] |
| QF | 2021 M15 Bergamo, Wk. 25 | Clay | W | Omar Giacalone | 7-6(7) 7-6(1) | [H2H] |
|
| QF | 2021 M15 Genova, Wk. 24 | Clay | L | Jeffrey Von Der Schulenburg | 4-6 6-3 10-5 | [H2H] |
|
| QF | 2021 M15 Skopje, Wk. 23 | Clay | L | Ondrej Horak | 6-0 1-6 11-9 | [H2H] |
|
| F | 2021 M15 Skopje, Wk. 22 | Clay | L | Oscar Moraing | 1-6 6-3 10-5 | [H2H] |
| SF | 2021 M15 Skopje, Wk. 22 | Clay | W | Aleksa Mardjonovic | 6-0 6-4 | [H2H] |
