Stadium: Court 6 Round: 25 Ground: Clay
| ITF M15 Huy | 2021/08/25 11:00 | Simon Beaupain v Roncalli, Simone | 6-3,6-2 |
| ITF M15 Cairo | 2021/01/19 10:00 | Roncalli, Simone v Simon Beaupain | 6-2,6-0 |
| ITF M25 Eupen | 2021/09/10 15:00 | Matteo Arnaldi v Simon Beaupain | 6-3,7-6 |
| ITF M25 Eupen | 2021/09/09 15:30 | Simon Beaupain v Oscar Moraing | 6-3,4-6,6-4 |
| ITF M25 Eupen | 2021/09/08 15:30 | Simon Beaupain v Hoogmartens, Alexander | 7-5,3-6,6-3 |
| ITF M15 Huy | 2021/08/26 09:00 | March, Antonio Cayetano v Simon Beaupain | 6-7,6-4,6-2 |
| ITF M15 Huy | 2021/08/25 11:00 | Simon Beaupain v Roncalli, Simone | 6-3,6-2 |
| ITF M25 Koksijde | 2021/08/17 09:40 | Simon Beaupain v Dhoe, Benjamin | 5-7,6-4,4-6 |
| ITF M15 Genova | 2021/06/14 07:00 | Simon Beaupain v Jirousek, Tomas | 6-4,4-6,9-11 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/06/03 14:00 | Federico Iannaccone v Simon Beaupain | 7-6,6-1 |
| ITF M15 Cairo | 2021/09/19 08:00 | Leonardo Aboian v Roncalli, Simone | 6-2,6-2 |
| ITF M15 Cairo | 2021/09/18 08:00 | Roncalli, Simone v Quentin Folliot | 7-6,6-0 |
| ITF M15 Cairo | 2021/09/17 08:00 | Roncalli, Simone v Andrea Picchione | 6-1,6-3 |
| ITF M15 Cairo | 2021/09/16 11:30 | Roncalli, Simone v Eisinga, Zachary | 6-3,6-4 |
| ITF M15 Cairo | 2021/09/15 11:10 | Roncalli, Simone v Louis Tessa | 3-6,7-6,6-0 |
| ITF M15 Huy | 2021/08/25 11:00 | Simon Beaupain v Roncalli, Simone | 6-3,6-2 |
| ITF M15 Oldenzaal | 2021/08/18 08:00 | Roncalli, Simone v Sander Jong | 4-6,3-6 |
| ITF M15 Parnu | 2021/08/07 09:30 | Ergi Kirkin v Roncalli, Simone | 6-1,6-2 |