Stadium: Centre Court Round: 54 Ground: Clay
| ITF M15 Bergamo | 2021/06/25 10:00 | Federico Arnaboldi v Marvin Netuschil | 7-6,6-4 |
| ITF M15 Bergamo | 2021/06/24 08:00 | Marvin Netuschil v Daniele Capecchi | 6-1,6-0 |
| ITF M15 Bergamo | 2021/06/23 09:00 | Andrea Basso v Marvin Netuschil | 6-1,2-6,2-6 |
| ITF M15 Troisdorf | 2021/05/13 13:25 | Marvin Netuschil v Sebastian Fanselow | 2-6,1-6 |
| ITF M15 Troisdorf | 2021/05/12 13:30 | Marvin Netuschil v Amaury Raynel | 6-1,6-3 |
| ITF M15 LPD Gran Canaria | 2021/04/28 09:55 | Johan Nikles v Marvin Netuschil | 6-3,6-2 |
| ITF M25 Meerbusch | 2021/04/14 10:30 | Alexander Erler v Marvin Netuschil | 6-3,6-2 |
| ITF M25 Meerbusch | 2021/04/13 11:30 | Marvin Netuschil v Mats Hermans | 6-4,6-1 |
| ITF M25 Alkmaar | 2021/06/20 17:00 | Alec Deckers v Guy Den Heijer | 3-6,7-6,4-10 |
| ITF M15 Heraklion | 2021/06/08 08:00 | Eduardo Cohen v Alec Deckers | 3-6,7-6,10-7 |
| ITF M15 Heraklion | 2021/06/07 07:30 | Alec Deckers v Toby D. Boyer | 7-6,6-1 |
| ITF M15 Heraklion | 2021/06/02 08:20 | Petros Tsitsipas v Alec Deckers | 6-4,6-4 |
| ITF M15 Heraklion | 2021/05/26 08:35 | Daniel Cox v Alec Deckers | 6-1,6-0 |
| ITF M15 Heraklion | 2020/11/15 08:00 | Guy Dagan v Alec Deckers | 0-6,1-6 |
| ITF M15 Heraklion | 2020/11/01 10:00 | Alec Deckers v Riccardo Balzerani | 4-6,2-6 |
| ITF M15 Heraklion | 2020/10/25 11:30 | Alec Deckers v Francesco Maestrelli | 7-6,0-6,3-10 |