Stadium: Court 5 Round: 26 Ground: Hardcourt indoor
| ITF M25 Malibu | 2019/11/06 17:00 | Alexandre Rotsaert v Sebastian Fanselow | 5-7,3-6 |
| ITF M15 Champaign | 2019/09/12 17:30 | Matheus Pucinelli De Almeida v Alexandre Rotsaert | 4-6,6-4,6-3 |
| ITF M15 Champaign | 2019/09/11 20:00 | Alexandre Rotsaert v Vuk Budic | 7-6,7-5 |
| ITF M15 Champaign | 2019/09/10 19:30 | Alexander Brown v Alexandre Rotsaert | 6-2,2-6,8-10 |
| ITF M15 Cancun | 2019/08/26 20:00 | Boris Arias v Alexandre Rotsaert | 6-2,6-1 |
| ITF M15 Cancun | 2019/08/26 15:30 | Andre Baltazar v Alexandre Rotsaert | 1-6,2-6 |
| ITF M25 Iowa City | 2019/07/16 15:00 | Alexander Lebedev v Alexandre Rotsaert | 6-4,7-5 |
| ITF M25 Iowa City | 2019/07/15 15:00 | Jason Kerst v Alexandre Rotsaert | 1-6,7-6,12-14 |
| ITF M15 Sofia | 2021/07/06 09:50 | Colin Sinclair v Dragos Nicolae Madaras | 3-6,2-6 |
| ITF M25 Belgrade | 2021/06/30 07:00 | Colin Sinclair v Edoardo Eremin | 2-6,1-6 |
| UTR Pro Tennis Series Bucharest | 2021/05/23 07:00 | Nicolae Frunza v Colin Sinclair | 5-6 |
| UTR Pro Tennis Series Bucharest | 2021/05/22 12:30 | Ilya Snitari v Colin Sinclair | 6-4,6-7,6-7 |
| UTR Pro Tennis Series Bucharest | 2021/05/22 07:00 | Colin Sinclair v Simon Beaupain | 6-3,6-4 |
| 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 |