Stadium: Court 5 Round: 28 Ground: Hardcourt outdoor
| ITF - M15 Grenoble | 2021/02/10 09:30 | Sebastian Fanselow v Wang, Tak Khunn | 2-6,6-4,6-4 |
| ITF - M25 Vale Do Lobo | 2021/03/12 10:30 | Sebastian Fanselow v Pedro Araujo | 6-2,7-6 |
| ITF - M25 Vale Do Lobo | 2021/03/11 16:05 | Bradley Paliska v Sebastian Fanselow | 2-6,2-6 |
| ITF - M25 Vale Do Lobo | 2021/03/10 13:20 | Coelho, Fabio v Sebastian Fanselow | 1-6,4-6 |
| ITF - M25 Faro | 2021/03/04 11:20 | Sebastian Fanselow v Lipovsek Puches, Tomas | 3-6,6-3,6-7 |
| ITF - M25 Faro | 2021/03/03 09:30 | Sebastian Fanselow v Coelho, Fabio | 6-2,6-3 |
| ITF - M25 Vale Do Lobo | 2021/02/25 12:55 | Kenny de Schepper v Sebastian Fanselow | 2-6,7-5,6-1 |
| ITF - M25 Vale Do Lobo | 2021/02/24 17:00 | Antoine Bellier v Sebastian Fanselow | 4-6,3-6 |
| ITF - M15 Grenoble | 2021/02/11 12:25 | Sebastian Fanselow v Stricker, Dominic Stephan | 4-6,5-7 |
| ITF - M25 Vale Do Lobo | 2021/03/12 12:30 | Wang, Tak Khunn v Cabral, Francisco | 6-2,6-2 |
| ITF - M25 Vale Do Lobo | 2021/03/11 10:25 | Antoine Escoffier v Wang, Tak Khunn | 6-7,4-6 |
| ITF - M25 Vale Do Lobo | 2021/03/10 15:20 | Alexis Boureau v Wang, Tak Khunn | 3-6,1-6 |
| ITF - M25 Faro | 2021/03/06 10:25 | Wang, Tak Khunn v Lucas Poullain | 3-6,6-7 |
| ITF - M25 Faro | 2021/03/05 12:35 | Dan Added v Wang, Tak Khunn | 3-6,6-2,3-6 |
| ITF - M25 Faro | 2021/03/04 10:45 | Wang, Tak Khunn v Hamou, Maxime | 7-6,7-6 |
| ITF - M25 Faro | 2021/03/03 11:00 | Wang, Tak Khunn v Musialek, Alexis | 6-1,6-0 |
| ITF - M25 Vale Do Lobo | 2021/02/25 12:40 | Wang, Tak Khunn v Evan Furness | 0-6,3-6 |