Stadium: Center Court Round: 14 Ground: Clay
| Challenger Lille | 2021/03/25 16:20 | Arthur Rinderknech v Nicola Kuhn | 6-3,6-1 |
| Challenger Lille | 2021/03/23 10:45 | Matteo Martineau v Nicola Kuhn | 3-6,2-6 |
| 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 Qual | 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 |
| ITF M15 Sharm El Sheikh | 2021/03/18 09:55 | Jacopo Berrettini v Petros Chrysochos | 2-6,3-6 |
| ITF M15 Sharm El Sheikh | 2021/03/17 07:30 | Petr Hajek v Jacopo Berrettini | 6-7,5-7 |
| ITF M15 Sharm El Sheikh | 2021/03/11 07:30 | Marek Gengel v Jacopo Berrettini | 6-4,6-3 |
| ITF M15 Sharm El Sheikh | 2021/03/10 10:55 | Karlis Ozolins v Jacopo Berrettini | 1-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/03/03 09:15 | Shintaro Imai v Jacopo Berrettini | 7-5,6-3 |
| ITF M15 Antalya | 2021/02/11 08:45 | Jacopo Berrettini v Federico Arnaboldi | 3-6,2-6 |
| ITF M15 Antalya | 2021/02/09 13:15 | Jeroen Vanneste v Jacopo Berrettini | 7-6,3-6,3-6 |
| ITF M15 Antalya | 2021/02/09 12:40 | Jeroen Vanneste v Jacopo Berrettini | 7-6,3-6,3-6 |