Stadium: Stadium Round: 26 Ground: Hardcourt outdoor
| ITF M15 Santo Domingo | 2021/12/08 18:05 | Colin Sinclair v Sebastian Gima | 6-3,6-2 |
| ITF M15 Guatemala | 2021/11/28 15:30 | Marco Brugnerotto v Colin Sinclair | 1-6,7-5,4-6 |
| ITF M15 Guatemala | 2021/11/27 17:35 | Colin Sinclair v Taha Baadi | 7-6,7-6 |
| ITF M15 Guatemala | 2021/11/26 15:30 | Alejandro Mendoza v Colin Sinclair | 3-6,7-6,2-6 |
| ITF M15 Guatemala | 2021/11/25 15:30 | Osgar O'Hoisin v Colin Sinclair | 2-6,3-6 |
| ITF M15 Guatemala | 2021/11/23 18:00 | Rafael Botran Neutze v Colin Sinclair | 3-6,1-6 |
| ITF M15 East Lansing | 2021/11/19 17:55 | Alex Knaff v Colin Sinclair | 7-6,5-7,6-2 |
| ITF M15 East Lansing | 2021/11/18 18:00 | Alexandre Rotsaert v Colin Sinclair | 5-7,6-4,2-6 |
| ITF M15 Santo Domingo | 2021/12/08 16:20 | Rowland Phillips v Peter Bertran | 1-6,2-6 |
| ITF M15 Santo Domingo | 2021/12/03 15:35 | Peter Bertran v Enzo Wallart | 4-6,0-6 |
| ITF M15 Santo Domingo | 2021/12/02 16:15 | Peter Bertran v Colin Markes | 6-3,6-7,6-4 |
| ITF M15 Santo Domingo | 2021/12/01 13:25 | Peter Bertran v Marko Stakusic | 6-4,6-3 |
| ITF M15 Guatemala | 2021/11/25 18:45 | Peter Bertran v Kuan Yu Chen | 5-7,7-5,6-7 |
| ITF M15 Guatemala | 2021/11/24 15:30 | Peter Bertran v Felipe Santamaria | 6-1,6-0 |
| ITF M25 Austin | 2021/11/18 19:50 | Sander Jong v Peter Bertran | 6-7,3-6 |
| ITF M25 Austin | 2021/11/16 23:25 | Peter Bertran v Gerardo L Villasenor | 3-6,6-1,6-1 |