| ITF M25 Rio do Sul | 2021/10/20 14:45 | Gilbert S K Junior v Mateo Barreiros Reyes | 3-6,6-1,6-2 |
| ITF M15 Recife | 2021/09/21 22:40 | Pedro Boscardin Dias v Mateo Barreiros Reyes | 6-2,6-2 |
| ITF M25 Medellin | 2021/09/15 18:45 | Jose Pereira v Mateo Barreiros Reyes | 6-2,6-4 |
| ITF M25 Medellin | 2021/09/13 20:00 | Mateo Barreiros Reyes v Sebastian Santibanez | 6-3,6-3 |
| ITF M15 Ibague | 2021/09/08 17:00 | Juan A H Serrano v Mateo Barreiros Reyes | 7-6,6-4 |
| ITF M15 Ibague | 2021/09/07 14:00 | Mateo Barreiros Reyes v William Yovanny Ribero Duarte | 6-0,6-4 |
| ITF M15 Ibague | 2021/09/06 20:25 | Mateo Barreiros Reyes v Manuel Montoya Zuluaga | 6-1,6-2 |
| UTR Pro Tennis Series Florida | 2021/08/29 14:15 | Toby D. Boyer v Mateo Barreiros Reyes | 6-2,2-2 |
| UTR Pro Tennis Series Florida | 2021/09/12 13:30 | Jonah Braswell v Jorge Cavero | 4-6,3-5 |
| UTR Pro Tennis Series Florida | 2021/09/10 18:00 | Matthew Segura v Jonah Braswell | 4-6,7-5,7-5 |
| UTR Pro Tennis Series Florida | 2021/09/09 13:30 | Preston Stearns v Jonah Braswell | 4-6,0-1 |
| UTR Pro Tennis Series Florida | 2021/09/08 18:15 | Noureldin Adam v Jonah Braswell | 6-2,4-2 |
| UTR Pro Tennis Series Florida | 2021/09/06 21:30 | Victor Sklenka v Jonah Braswell | 2-6,0-5 |
| UTR Pro Tennis Series Florida | 2021/06/06 16:00 | Jonah Braswell v William Mroz Mroz | 4-6,6-2,6-6 |
| UTR Pro Tennis Series Florida | 2021/06/05 18:00 | Chase Ferguson v Jonah Braswell | 2-6,0-5 |
| UTR Pro Tennis Series Florida | 2021/06/03 16:00 | Jonah Braswell v Finn Bass | 4-6,3-6 |