|
| F | 2021 Seville Challenger | Clay | L | Luciano Darderi | w/o | [H2H] |
| QF | 2021 Seville Challenger | Clay | W | Alessandro Motti | 6-1 6-1 | [H2H] |
|
| SF | 2021 M15 Ueberlingen, Wk. 33 | Clay | L | Henri Squire | 6-4 3-6 4-1 ret. | [H2H] |
| QF | 2021 M15 Ueberlingen, Wk. 33 | Clay | W | Ryan Harrison | 6-1 6-4 | [H2H] |
| R16 | 2021 M15 Ueberlingen, Wk. 33 | Clay | W | Niklas Schell | 7-6(7) 6-1 | [H2H] |
| R32 | 2021 M15 Ueberlingen, Wk. 33 | Clay | W | Hendrik Jebens | 7-6(5) 6-3 | [H2H] |
|
| F | 2021 M25 Frankfurt am Main, Wk. 32 | Clay | W | Yshai Oliel | | [H2H] |
| SF | 2021 M25 Frankfurt am Main, Wk. 32 | Clay | W | Oriol Roca Batalla | 3-6 6-1 7-5 | [H2H] |
| QF | 2021 M25 Frankfurt am Main, Wk. 32 | Clay | W | Daniel Cukierman | 6-3 6-2 | [H2H] |
| R16 | 2021 M25 Frankfurt am Main, Wk. 32 | Clay | W | Alejandro Gomez | 6-3 6-4 | [H2H] |
| R32 | 2021 M25 Frankfurt am Main, Wk. 32 | Clay | W | Benito Sanchez Martinez | 6-2 6-3 | [H2H] |
|
| SF | 2021 M25 Denia, Wk. 30 | Clay | L | Nick Hardt | 7-6(6) 6-3 | [H2H] |
| QF | 2021 M25 Denia, Wk. 30 | Clay | W | Javier Barranco Cosano | 6-1 3-6 6-3 | [H2H] |
| R16 | 2021 M25 Denia, Wk. 30 | Clay | W | Ivan Gakhov | 6-1 6-4 | [H2H] |
| R32 | 2021 M25 Denia, Wk. 30 | Clay | W | Fermin Tenti | 6-0 7-5 | [H2H] |
|
| QF | 2021 Amersfoort Challenger | Clay | L | Sander Jong | 6-2 7-5 | [H2H] |
|
| F | 2021 Aix En Provence Challenger | Clay | L | Titouan Droguet | 7-6(5) 6-3 | [H2H] |
| QF | 2021 Aix En Provence Challenger | Clay | W | Marek Gengel | 6-0 6-1 | [H2H] |
|
| F | 2021 Lyon Challenger | Clay | L | Pedro Cachin | 6-4 6-3 | [H2H] |
| QF | 2021 Lyon Challenger | Clay | W | Nikolas Sanchez-izquierdo | 6-4 6-0 | [H2H] |
|
| QF | 2021 M15 Majadahonda, Wk. 18 | Clay | L | Nuno Borges | 3-6 7-6(5) 6-4 | [H2H] |
| R16 | 2021 M15 Majadahonda, Wk. 18 | Clay | W | Martin Cuevas | 6-1 7-6(4) | [H2H] |
| R32 | 2021 M15 Majadahonda, Wk. 18 | Clay | W | Facundo Diaz Acosta | 7-5 6-3 | [H2H] |
|
| SF | 2021 M15 Las Palmas de Gran Canaria, Wk. 17 | Clay | L | Kyrian Jacquet | 6-7(4) 6-1 6-2 | [H2H] |
| QF | 2021 M15 Las Palmas de Gran Canaria, Wk. 17 | Clay | W | Johan Nikles | 6-3 6-2 | [H2H] |
| R16 | 2021 M15 Las Palmas de Gran Canaria, Wk. 17 | Clay | W | Alexander Weis | 6-3 6-2 | [H2H] |
| R32 | 2021 M15 Las Palmas de Gran Canaria, Wk. 17 | Clay | W | Giovanni Mpetshi Perricard | 6-3 6-4 | [H2H] |
|
| R16 | 2021 M25 Reus, Wk. 15 | Clay | L | Pol MARTIN Tiffon | 1-6 6-3 7-6(5) | [H2H] |
| R32 | 2021 M25 Reus, Wk. 15 | Clay | W | Daniel Merida Aguilar | 7-5 6-7(4) 6-3 | [H2H] |
|
| F | 2021 Marbella Challenger | Clay | L | Vit Kopriva | 7-6(3) 6-4 | [H2H] |
