Stadium: Central Round: 54 Ground: Clay
| ITF M15 Bressuire | 2021/01/17 15:05 | Arthur Bonnaud v Antoine Bellier | 6-7,4-6 |
| ITF M15 Monastir | 2021/01/10 09:00 | Joris Hoogland v Arthur Bonnaud | 4-6,6-4,11-9 |
| ITF M15 Helsinki | 2021/06/03 09:30 | Sean Cuenin v Karl Friberg | 4-6,4-6 |
| ITF M15 Helsinki | 2021/06/02 08:10 | Simon Freund v Sean Cuenin | 2-6,6-4,4-6 |
| ITF M25 Most | 2021/05/26 07:55 | Sean Cuenin v Filip Peliwo | 5-7,6-1,4-6 |
| ITF M25 Most | 2021/05/25 08:00 | Ondrej Valek v Sean Cuenin | 2-6,2-6 |
| ITF M25 Most | 2021/05/24 09:00 | Alexandre Ruscica v Sean Cuenin | 2-6,3-6 |
| ITF M15 Sibenik | 2021/05/19 10:15 | Sebastian Prechtel v Sean Cuenin | 6-3,7-5 |
| ITF M15 LPD Gran Canaria | 2021/04/27 08:55 | Sean Cuenin v Alexander Shevchenko | 7-5,1-6,1-6 |
| ITF M15 Sibenik | 2021/04/22 09:15 | Aldin Setkic v Sean Cuenin | 6-1,6-3 |