Stadium: Cancha 3 Round: 28 Ground: Hardcourt outdoor
| ITF M15 Ithaca | 2021/10/05 16:00 | Taha Baadi v Colin Sinclair | 7-6,7-5 |
| 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 East Lansing | 2021/11/17 20:45 | Nico Mostardi v Colin Sinclair | 3-6,4-6 |
| ITF M15 Ithaca | 2021/11/04 16:45 | Colin Sinclair v Vasil Kirkov | 3-6,4-6 |
| ITF M15 Ithaca | 2021/11/03 17:55 | Michael Zheng v Colin Sinclair | 0-6,2-6 |
| ITF M15 Guatemala | 2021/11/26 17:40 | Taha Baadi v Nicolas Buitrago | 6-4,4-6,6-2 |
| ITF M15 Guatemala | 2021/11/25 17:10 | Stefan Simeunovic v Taha Baadi | 6-7,4-6 |
| ITF M15 Guatemala | 2021/11/23 19:25 | Taha Baadi v Tennyson Whiting | 6-2,7-6 |
| ITF M25 Columbus | 2021/11/20 17:25 | Taha Baadi v John McNally | 1-6,3-6 |
| ITF M25 Columbus | 2021/11/19 14:50 | Alafia Ayeni v Taha Baadi | 5-7,1-6 |
| ITF M25 Columbus | 2021/11/18 14:50 | Taha Baadi v Roy Smith | 6-3,6-1 |
| ITF M15 Ithaca | 2021/10/07 14:00 | Henry Patten v Taha Baadi | 4-6,6-3,7-6 |
| ITF M15 Ithaca | 2021/10/05 16:00 | Taha Baadi v Colin Sinclair | 7-6,7-5 |