Stadium: Court 1 Round: 54 Ground: Carpet indoor
| ITF M15 Forbach | 2021/09/26 12:30 | Millen Hurrion v Leo Cohen Bacrie | 6-0,6-3 |
| ITF M25 Bagneres-De-Bigorre | 2021/09/05 12:55 | Antoine Escoffier v Millen Hurrion | 7-6,6-0 |
| ITF M25 Bagneres-De-Bigorre | 2021/09/04 14:25 | Millen Hurrion v Arthur Fils | 7-5,6-0 |
| ITF M25 Bagneres-De-Bigorre | 2021/09/03 08:00 | Titouan Droguet v Millen Hurrion | 6-3,2-6,4-6 |
| ITF M25 Bagneres-De-Bigorre | 2021/09/02 11:00 | Robin Bertrand v Millen Hurrion | 4-6,1-6 |
| ITF M25 Bagneres-De-Bigorre | 2021/09/01 07:30 | Millen Hurrion v Sebastian Fanselow | 2-6,7-5,7-6 |
| ITF M25 Bagneres-De-Bigorre | 2021/08/30 10:55 | Millen Hurrion v Luca Sanchez | 6-4,7-5 |
| ITF M15 Gdyně | 2021/08/09 08:00 | Olaf Pieczkowski v Millen Hurrion | 6-1,6-7,10-4 |
| ITF M15 Forbach | 2021/09/26 12:50 | Alex Knaff v Julien De Cuyper | 6-4,6-0 |
| ITF M15 Monastir | 2021/09/12 09:00 | Mattias Southcombe v Alex Knaff | 2-6,7-6,10-7 |
| ITF M15 Monastir | 2021/09/06 11:00 | Alex Knaff v Masamichi Imamura | 6-2,3-6,3-10 |
| ITF M15 Monastir | 2021/09/05 11:00 | Tom Dynka v Alex Knaff | 0-6,0-6 |
| ITF M15 Monastir | 2021/09/01 11:05 | Alex Knaff v Felix Corwin | 7-5,6-7,3-6 |
| ITF M15 Monastir | 2021/08/31 08:00 | Yuta Kawahashi v Alex Knaff | 7-5,4-6,7-10 |
| ITF M15 Monastir | 2021/08/30 13:00 | Alex Knaff v Egor Tsarapkin | 6-3,6-3 |
| ITF M25 Trier | 2021/08/23 14:45 | Yannik Steinegger v Alex Knaff | 6-3,6-1 |