|
| R32 | 2021 M15 Alkmaar, Wk. 25 | Clay | L | Christopher Heyman | 7-6(1) 6-2 | [H2H] |
|
| QF | 2021 M15 Shymkent, Wk. 22 | Clay | L | Ivan Gakhov | 7-5 6-4 | [H2H] |
| R16 | 2021 M15 Shymkent, Wk. 22 | Clay | W | Damien Wenger | 6-2 2-6 7-6(6) | [H2H] |
| R32 | 2021 M15 Shymkent, Wk. 22 | Clay | W | Danil Ozernoy | 6-2 6-2 | [H2H] |
|
| F | 2021 M15 Shymkent, Wk. 21 | Clay | L | Edoardo Lavagno | 6-3 6-0 | [H2H] |
| SF | 2021 M15 Shymkent, Wk. 21 | Clay | W | Sanjar Fayziev | 4-6 7-6(4) 3-0 ret. | [H2H] |
| QF | 2021 M15 Shymkent, Wk. 21 | Clay | W | Ivan Gakhov | 3-6 7-6(3) 6-0 | [H2H] |
| R16 | 2021 M15 Shymkent, Wk. 21 | Clay | W | Sergey Fomin | 6-2 6-1 | [H2H] |
| R32 | 2021 M15 Shymkent, Wk. 21 | Clay | W | Dmitry Bezborodov | 6-0 6-0 | [H2H] |
|
| F | 2021 M15 Tbilisi, Wk. 20 | Hard | W | Alessandro Bega | 4-6 7-6(5) 6-3 | [H2H] |
| SF | 2021 M15 Tbilisi, Wk. 20 | Hard | W | Christian Sigsgaard | 7-6(6) 7-6(5) | [H2H] |
| QF | 2021 M15 Tbilisi, Wk. 20 | Hard | W | Marek Gengel | 6-7(4) 6-4 6-4 | [H2H] |
| R16 | 2021 M15 Tbilisi, Wk. 20 | Hard | W | Aleksandr Braynin | 7-5 6-3 | [H2H] |
| R32 | 2021 M15 Tbilisi, Wk. 20 | Hard | W | Francesco Vilardo | 6-0 6-4 | [H2H] |
|
| QF | 2021 M15 Majadahonda, Wk. 18 | Clay | L | Luca Van Assche | 3-6 6-4 10-7 | [H2H] |
|
| QF | 2021 M15 Las Palmas de Gran Canaria, Wk. 17 | Clay | L | Timofey Skatov | 6-1 6-4 | [H2H] |
| R16 | 2021 M15 Las Palmas de Gran Canaria, Wk. 17 | Clay | W | Diego Barreto Sanchez | 6-7(5) 6-1 6-1 | [H2H] |
| R32 | 2021 M15 Las Palmas de Gran Canaria, Wk. 17 | Clay | W | Sean Cuenin | 5-7 6-1 6-1 | [H2H] |
|
| R32 | 2021 M15 Monastir, Wk. 14 | Hard | L | Robert Strombachs | 1-6 6-3 7-5 | [H2H] |
|
| R32 | 2021 M15 Monastir, Wk. 13 | Hard | L | Luca Potenza | 3-6 6-3 6-4 | [H2H] |
|
| R16 | 2021 M15 Antalya, Wk. 10 | Clay | L | Oleksandr Ovcharenko | 7-5 4-0 ret. | [H2H] |
| R32 | 2021 M15 Antalya, Wk. 10 | Clay | W | Mate Valkusz | 7-6(5) 4-6 6-4 | [H2H] |
|
| R32 | 2021 M15 Antalya, Wk. 9 | Clay | L | Matheus Pucinelle De Almeida | 6-2 6-4 | [H2H] |
|
| F | 2021 M15 Antalya, Wk. 2 | Clay | W | Adrian Andreev | | [H2H] |
| SF | 2021 M15 Antalya, Wk. 2 | Clay | W | Sergey Fomin | 6-4 6-3 | [H2H] |
| QF | 2021 M15 Antalya, Wk. 2 | Clay | W | Pedro Cachin | 6-2 6-4 | [H2H] |
| R16 | 2021 M15 Antalya, Wk. 2 | Clay | W | Alexandr Binda | 6-1 6-4 | [H2H] |
| R32 | 2021 M15 Antalya, Wk. 2 | Clay | W | Juan Manuel Cerundolo | 6-3 5-7 6-2 | [H2H] |
|
| QF | 2021 M15 Antalya, Wk. 1 | Clay | L | Toby Alex Kodat | 6-3 6-4 | [H2H] |
| R16 | 2021 M15 Antalya, Wk. 1 | Clay | W | PHILIP Bachmaier | 6-2 7-5 | [H2H] |
