Stadium: Court 3 Round: 62 Ground: Hardcourt outdoor
| 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 Falun | 2021/09/29 12:30 | Daniel Little v Harry Wendelken | 6-3,6-3 |
| ITF M25 Falun | 2021/09/28 13:45 | Lucas Renard v Harry Wendelken | 4-6,6-4,4-6 |
| ITF M25 Falun | 2021/09/27 07:50 | Harry Wendelken v Iiro Vasa | 6-7,6-1,16-14 |
| ITF M25 Jonkoping | 2021/09/21 09:20 | Marvin Moeller v Harry Wendelken | 4-6,7-5,6-1 |
| ITF M25 Jonkoping | 2021/09/20 07:30 | Harry Wendelken v Eirik Groener | 6-2,6-1 |
| ITF M25 Poznan | 2021/08/26 14:15 | Felix Gill v Harry Wendelken | 6-1,6-4 |
| ITF M25 Loule | 2021/10/11 14:00 | Tim Loosen v Imran Sibille | 6-3,6-1 |
| ITF M25 Loule | 2021/10/10 13:00 | Martim Marujo v Tim Loosen | 3-6,1-6 |
| ITF M15 Ulcinj | 2021/09/20 08:00 | Rrezart Cungu v Tim Loosen | 6-4,6-2 |