Stadium: Court 3 Round: 25 Ground: Hardcourt indoor
| Challenger - Lille | 2021/03/22 10:00 | Matteo Martineau v Tak Khunn Wang | 7-5,7-5 |
| Challenger - Lille | 2021/03/21 10:30 | Benjamin Hassan v Matteo Martineau | 1-6,2-6 |
| ITF M25 - Trimbach | 2021/03/13 11:00 | Elmar Ejupovic v Matteo Martineau | 4-6,7-6,6-3 |
| ITF M25 - Trimbach | 2021/03/12 08:55 | Jakub Paul v Matteo Martineau | 6-7,7-6,3-6 |
| ITF M25 - Trimbach | 2021/03/11 09:00 | Jerome Kym v Matteo Martineau | 6-3,3-6,2-6 |
| ITF M25 - Trimbach | 2021/03/10 13:45 | Remy Bertola v Matteo Martineau | 3-6,3-6 |
| ITF M25 - Faro | 2021/03/02 14:20 | Matteo Martineau v Louis Dussin | 6-3,3-6,4-6 |
| ITF M25 - Vale Do Lobo | 2021/02/24 14:25 | Matteo Martineau v Luis Patino | 4-6,6-1,4-6 |
| Challenger - Biella | 2021/03/16 17:00 | Sebastian Ofner v Nicola Kuhn | 6-2,6-2 |
| Challenger - Biella | 2021/03/15 09:30 | Nicola Kuhn v Jonas Forejtek | 6-4,3-6,3-6 |
| Challenger - Biella - Kvalifikation | 2021/03/14 09:00 | Nicola Kuhn v Francesco Forti | 7-6,6-4 |
| Challenger - Gran Canaria | 2021/03/02 13:55 | Nicola Kuhn v Steven Diez | 2-6,2-6 |
| Challenger - Gran Canaria | 2021/02/22 15:45 | Nicola Kuhn v Riccardo Bonadio | 4-6,4-6 |
| Challenger - Potchefstroom | 2021/02/17 12:35 | Akira Santillan v Nicola Kuhn | 6-4,3-6,6-4 |
| Challenger - Potchefstroom | 2021/02/15 12:00 | Nicola Kuhn v Elliot Benchetrit | 6-3,6-4 |
| Challenger - Potchefstroom | 2021/02/09 08:00 | Nick Chappell v Nicola Kuhn | 6-1,2-6,7-6 |