Stadium: BNP Paribas Court Round: 25 Ground: Clay
| UTR Pro Tennis Series Bucharest | 2021/05/17 14:45 | Simon Beaupain v Juan Ignacio Galarza | 4-6,4-6 |
| ITF M15 Troisdorf | 2021/05/09 13:00 | Oscar Moraing v Simon Beaupain | 6-4,2-6,14-12 |
| ITF M15 Majadahonda | 2021/05/03 10:45 | Pedro Vives Marcos v Simon Beaupain | 6-4,6-1 |
| ITF M15 Majadahonda | 2021/05/02 14:45 | Thomas Deschamps v Simon Beaupain | 2-6,4-6 |
| ITF M15 Sibenik | 2021/04/22 09:45 | Simon Beaupain v Mili Poljicak | 2-6,7-6,3-6 |
| ITF M15 Sibenik | 2021/04/21 08:00 | Louis Wessels v Simon Beaupain | 7-5,1-6,5-7 |
| ITF M15 Sibenik | 2021/04/20 08:00 | Simon Beaupain v Mayeul Darras | 6-2,6-1 |
| ITF M15 Sibenik | 2021/04/18 08:00 | Simon Beaupain v Petr Iamachkine | 7-6,6-1 |
| ITF M15 Antalya | 2021/03/17 09:55 | Miljan Zekic v Alexander Hoogmartens | 5-7,7-5,6-2 |
| ITF M15 Antalya | 2021/03/10 08:40 | Emiliano Maggioli v Alexander Hoogmartens | 7-6,6-3 |
| ITF M15 Manacor | 2021/01/10 12:30 | Alexander Hoogmartens v Alberto Barroso Campos | 0-6,2-6 |
| ITF M15 Antalya | 2021/01/07 08:40 | Alexander Hoogmartens v Stefanos Sakellaridis | 5-7,3-6 |