|
| SF | 2021 M15 Heraklion, Wk. 47 | Hard | L | Elmer Moller | 6-1 6-4 | [H2H] |
| QF | 2021 M15 Heraklion, Wk. 47 | Hard | W | Cheraag Bajwa | 6-3 ret. | [H2H] |
|
| F | 2021 M15 Heraklion, Wk. 46 | Hard | L | Preston Brown | 6-3 5-1 | [H2H] |
| SF | 2021 M15 Heraklion, Wk. 46 | Hard | W | Andrei Cuceu | 6-2 6-1 | [H2H] |
| QF | 2021 M15 Heraklion, Wk. 46 | Hard | W | Mateusz Kulakowski | 6-1 3-6 10-8 | [H2H] |
|
| F | 2021 M15 Ulcinj, Wk. 37 | Clay | L | Daisuke Sumizawa | 6-4 7-6(4) | [H2H] |
| SF | 2021 M15 Ulcinj, Wk. 37 | Clay | W | Eric Morris | 6-4 3-6 10-8 | [H2H] |
|
| QF | 2021 M15 Huy, Wk. 34 | Clay | L | Alexis Gautier | 6-1 6-4 | [H2H] |
| R16 | 2021 M15 Huy, Wk. 34 | Clay | W | Marvin Netuschil | 6-3 6-2 | [H2H] |
| R32 | 2021 M15 Huy, Wk. 34 | Clay | W | Martin Katz | 6-4 6-1 | [H2H] |
|
| R32 | 2021 M15 Oldenzaal, Wk. 33 | Clay | L | Alexander Hoogmartens | 2-6 7-6(3) 6-0 | [H2H] |
|
| QF | 2021 M15 Esch/Alzette, Wk. 29 | Clay | L | Patrick Kypson | 6-2 6-3 | [H2H] |
| R16 | 2021 M15 Esch/Alzette, Wk. 29 | Clay | W | Wilson Leite | 3-6 6-1 6-3 | [H2H] |
| R32 | 2021 M15 Esch/Alzette, Wk. 29 | Clay | W | Luca Van Assche | 6-0 6-3 | [H2H] |
|
| F | 2021 M15 Esch/Alzette, Wk. 29 | Clay | W | Alexander Marinov | 6-1 6-3 | [H2H] |
| QF | 2021 M15 Esch/Alzette, Wk. 29 | Clay | W | Maksym Khalus | 6-1 6-3 | [H2H] |
|
| R32 | 2021 Amersfoort Challenger | Clay | L | Kimmer Coppejans | 6-3 5-7 6-2 | [H2H] |
|
| F | 2021 Amersfoort Challenger | Clay | W | Alvaro Lopez San Martin | 6-4 6-4 | [H2H] |
| QF | 2021 Amersfoort Challenger | Clay | W | Gauthier Onclin | 7-5 6-3 | [H2H] |
|
| QF | 2021 M25 Marburg, Wk. 27 | Clay | L | Tim Handel | 7-6(10) 7-6(9) | [H2H] |
|
| QF | 2021 M25 The Hague, Wk. 26 | Clay | L | Sidane Pontjodikromo | 6-4 6-3 | [H2H] |
|
| R16 | 2021 M15 Alkmaar, Wk. 25 | Clay | L | Marvin Moeller | 7-6(2) 6-7(4) 6-3 | [H2H] |
| R32 | 2021 M15 Alkmaar, Wk. 25 | Clay | W | Guy Den Ouden | 7-6(4) 7-5 | [H2H] |
|
| F | 2021 M15 Alkmaar, Wk. 25 | Clay | L | Kai Wehnelt | 5-7 6-3 12-10 | [H2H] |
| QF | 2021 M15 Alkmaar, Wk. 25 | Clay | W | Niels Visker | 7-6(4) 6-7(2) 10-6 | [H2H] |
|
| SF | 2021 M15 Antalya, Wk. 14 | Clay | L | Sidane Pontjodikromo | 6-4 6-2 | [H2H] |
| QF | 2021 M15 Antalya, Wk. 14 | Clay | W | Egor Matvievici | 6-3 6-1 | [H2H] |
|
| F | 2021 M15 Antalya, Wk. 13 | Clay | L | Paul Woerner | 6-1 6-4 | [H2H] |
| SF | 2021 M15 Antalya, Wk. 13 | Clay | W | Mert Arabaci | 6-1 6-1 | [H2H] |
| QF | 2021 M15 Antalya, Wk. 13 | Clay | W | Marlon Vankan | 6-1 6-4 | [H2H] |
