Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF M25 Quinta Do Lago | 2021/10/21 11:20 | Skander Mansouri v Harry Wendelken | 3-6,2-6 |
| ITF M25 Quinta Do Lago | 2021/10/20 14:30 | Harry Wendelken v Fred Gil | 6-4,7-6 |
| ITF M25 Quinta Do Lago | 2021/10/19 10:30 | Harry Wendelken v Tim Heger | 6-1,4-6,10-8 |
| ITF M25 Quinta Do Lago | 2021/10/17 12:00 | Harry Wendelken v Valentino De Pellegrin | 6-0,7-6 |
| ITF M25 Loule | 2021/10/13 09:30 | Elliot Benchetrit v Harry Wendelken | 2-6,6-0,6-4 |
| ITF M25 Loule | 2021/10/12 09:30 | Harry Wendelken v Tim Loosen | 6-0,6-2 |
| ITF M25 Loule | 2021/10/11 10:30 | Harry Wendelken v Jesus Echevarri | 6-1,6-2 |
| ITF M25 Setubal | 2021/10/04 10:00 | Harry Wendelken v Alberto Morolli | 3-6,6-7 |
| ITF M25 Quinta Do Lago | 2021/10/21 09:00 | Laurent Lokoli v Arthur Cazaux | 1-6,6-7 |
| ITF M25 Quinta Do Lago | 2021/10/20 12:35 | Tiago Cacao v Arthur Cazaux | 6-7,2-6 |
| ITF M25 Loule | 2021/10/15 11:50 | Pedro Araujo v Arthur Cazaux | 6-1,6-4 |
| ITF M25 Loule | 2021/10/14 09:30 | Elliot Benchetrit v Arthur Cazaux | 6-0,6-7,0-6 |
| ITF M25 Loule | 2021/10/13 09:30 | Amaury Raynel v Arthur Cazaux | 2-6,1-6 |
| ITF M25 Setubal | 2021/10/10 09:55 | Arthur Cazaux v Rinky Hijikata | 7-5,6-0 |
| ITF M25 Setubal | 2021/10/09 12:00 | Arthur Cazaux v Laurent Lokoli | 6-2,6-4 |
| ITF M25 Setubal | 2021/10/08 12:05 | Arthur Cazaux v Sebastian Fanselow | 3-6,6-3,6-3 |