Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Setubal | 2021/10/03 11:30 | Pedro Estevao v Aditya Katticaren | 0-6,1-6 |
| ITF M25 Sintra | 2021/09/05 12:00 | Aditya Katticaren v Pedro Liborio | 1-6,0-6 |
| ITF M15 Castelo Branco | 2021/07/25 14:00 | Valentin De Carvalho v Aditya Katticaren | 6-1,6-1 |
| ITF M15 Forbach | 2021/09/27 13:30 | Millen Hurrion v Alex Knaff | 6-3,6-7,10-3 |
| 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 |