Stadium: Center Round: 25 Ground: Hardcourt indoor
| Challenger Biella Qual | 2021/03/14 11:05 | Tristan Lamasine v Vanni, Luca | 4-6,4-6 |
| Challenger Biella | 2021/03/11 13:50 | Tristan Lamasine v Seppi, Andreas | 6-1,1-6,6-7 |
| Challenger Biella | 2021/03/09 09:00 | Hugo Grenier v Tristan Lamasine | 4-6,2-6 |
| Challenger Potchefstroom | 2021/02/17 10:30 | Dimitar Kuzmanov v Tristan Lamasine | 7-5,7-6 |
| Challenger Potchefstroom | 2021/02/15 12:25 | Quiroz, Roberto v Tristan Lamasine | 5-7,5-7 |
| Challenger Potchefstroom | 2021/02/10 08:00 | Polansky, Peter v Tristan Lamasine | 6-4,6-4 |
| Challenger Potchefstroom | 2021/02/08 09:30 | Tristan Lamasine v Hunter, Vaughn | 7-6,1-6,6-1 |
| Challenger - Quimper | 2021/02/01 09:30 | Tristan Lamasine v Kamke, Tobias | 5-7,4-6 |
| Challenger - Lille | 2021/03/22 10:00 | Heyman, Christopher v Briand, Jurgen | 4-6,6-3,2-6 |
| Challenger - Lille | 2021/03/21 09:00 | Briand, Jurgen v Dan Added | 6-2,6-4 |
| ITF M15 Bratislava | 2021/03/12 10:35 | Briand, Jurgen v Kyrian Jacquet | 7-6,7-6 |
| ITF M15 Bratislava | 2021/03/11 12:10 | Satral, Jan v Briand, Jurgen | 6-7,6-4,2-6 |
| ITF M15 Bratislava | 2021/03/09 13:00 | Briand, Jurgen v Lukas Pokorny | 7-5,6-2 |
| ITF M15 Bratislava | 2021/03/07 09:00 | Briand, Jurgen v Vitaliy Sachko | 1-6,6-2,6-7 |
| ITF M15 Bratislava | 2021/03/06 11:30 | Andrew Paulson v Briand, Jurgen | 6-7,1-6 |
| ITF M15 Bratislava | 2021/03/05 12:20 | Patrik Rikl v Briand, Jurgen | 5-7,1-6 |