| UTR Pro Tennis Series Bucharest | 2021/05/19 10:00 | Colin Sinclair v Juan Ignacio Galarza | 4-6,2-6 |
| UTR Pro Tennis Series Bucharest | 2021/05/18 10:00 | Colin Sinclair v Tomas Lipovsek Puches | 6-2,5-1 |
| UTR Pro Tennis Series Bucharest | 2021/05/17 12:30 | Nicholas David Ionel v Colin Sinclair | 6-7,4-5 |
| ITF M15 Antalya | 2021/05/10 07:00 | Colin Sinclair v Thomas Deschamps | 6-7,6-2,7-10 |
| ITF M15 Antalya | 2021/05/09 07:00 | Colin Sinclair v Farzin Danny Amiri | 6-3,6-2 |
| ITF M15 Antalya | 2021/05/07 09:40 | Colin Sinclair v Sandro Ehrat | 4-6,6-4,3-6 |
| ITF M15 Antalya | 2021/05/06 11:05 | Timofey Skatov v Colin Sinclair | 6-3,4-6,1-6 |
| ITF M15 Antalya | 2021/05/05 06:50 | Colin Sinclair v Oleksii Krutykh | 6-1,6-2 |
| UTR Pro Tennis Series Bucharest | 2021/05/21 13:30 | Tomas Lipovsek Puches v Simon Beaupain | 5-7,4-6 |
| UTR Pro Tennis Series Bucharest | 2021/05/18 10:00 | Nicholas David Ionel v Simon Beaupain | 6-3,6-0 |
| 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 |