Stadium: Court 13 Round: 26 Ground: Carpet indoor
| ITF M25 Sarreguemines | 2021/10/26 10:55 | Marvin Moeller v Hendrik Jebens | 6-4,6-4 |
| ITF M25 Hamburg | 2021/10/19 08:00 | Tim Sandkaulen v Marvin Moeller | 6-4,7-5 |
| ITF M25 Falun | 2021/09/28 10:55 | Leopold Zima v Marvin Moeller | 6-3,6-3 |
| ITF M25 Jonkoping | 2021/09/23 08:00 | Marvin Moeller v Viktor Durasovic | 7-5,3-6,4-6 |
| ITF M25 Jonkoping | 2021/09/22 09:45 | Marvin Moeller v Tibo Colson | 6-2,3-6,6-3 |
| ITF M25 Jonkoping | 2021/09/21 09:20 | Marvin Moeller v Harry Wendelken | 4-6,7-5,6-1 |
| ITF M25 Plaisir | 2021/09/16 07:55 | Vasil Kirkov v Marvin Moeller | 2-6,7-6,7-6 |
| ITF M25 Plaisir | 2021/09/14 10:50 | Lisandru Rodriguez v Marvin Moeller | 1-6,0-6 |
| ITF M25 Sarreguemines | 2021/10/27 07:55 | Titouan Droguet v Hugo Voljacques | 6-7,6-3,3-6 |
| ITF M25 Sarreguemines | 2021/10/25 12:40 | Hugo Voljacques v Jing L Weng | 6-3,6-2 |
| ITF M25 Sarreguemines | 2021/10/24 12:45 | Hugo Voljacques v Noe Villen | 6-0,6-2 |
| ITF M25 Toulouse | 2021/10/19 10:05 | John Echeverria v Hugo Voljacques | 7-6,6-3 |
| ITF M25 Toulouse | 2021/10/18 12:40 | Clement Andrieu v Hugo Voljacques | 1-6,3-6 |
| UTR Pro Tennis Series Bucharest | 2021/05/19 07:15 | Hugo Voljacques v Vladimir Filip | 4-6,1-5 |
| UTR Pro Tennis Series Bucharest | 2021/05/19 07:00 | Hugo Voljacques v Sebastian Gima | 0-0 |
| UTR Pro Tennis Series Bucharest | 2021/05/18 07:00 | Hugo Voljacques v Vlad Andrei Dancu | 5-7,6-3,4-5 |