Stadium: Court 7 Round: 28 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2021/09/24 19:30 | Osgar O'Hoisin v Leonardo Civita-Telles | 7-5,2-6,7-5 |
| ITF M15 Cancun | 2021/09/23 19:15 | Jonas Maier v Osgar O'Hoisin | 6-3,4-6,4-6 |
| ITF M15 Cancun | 2021/09/22 20:25 | Luciano Doria v Osgar O'Hoisin | 4-6,2-6 |
| ITF M15 Cancun | 2021/09/21 14:00 | Emil Reinberg v Osgar O'Hoisin | 6-3,6-3 |
| ITF M25 Champaign | 2021/09/14 17:00 | Perry Gregg v Osgar O'Hoisin | 6-2,6-3 |
| UTR Pro Tennis Series Barcelona | 2021/08/08 08:30 | Olexiy Kolisnyk v Osgar O'Hoisin | 7-6,3-6,5-2 |
| UTR Pro Tennis Series Barcelona | 2021/08/07 11:00 | Osgar O'Hoisin v Francois Musitelli | 2-0 |
| UTR Pro Tennis Series Barcelona | 2021/08/06 10:00 | Osgar O'Hoisin v Nicolas Bianchi | 4-6,6-0,6-4 |
| ITF M15 Cancun | 2021/09/24 19:30 | Miles Jones v Gerardo L Villasenor | 4-6,3-6 |
| ITF M15 Cancun | 2021/09/23 14:00 | Perry Gregg v Gerardo L Villasenor | 6-7,3-6 |
| ITF M15 Cancun | 2021/09/22 21:05 | Dali Blanch v Gerardo L Villasenor | 6-7,3-6 |
| ITF M25 Medellin | 2021/09/18 15:00 | Gerardo L Villasenor v Joao Lucas Reis da Silva | 2-6,6-7 |
| ITF M25 Medellin | 2021/09/17 14:55 | Jose Pereira v Gerardo L Villasenor | 7-5,5-7,5-7 |
| ITF M25 Medellin | 2021/09/16 15:00 | Blu Baker v Gerardo L Villasenor | 5-7,4-6 |
| ITF M25 Medellin | 2021/09/14 16:10 | Davide Pontoglio v Gerardo L Villasenor | 3-6,2-6 |
| ITF M15 Ibague | 2021/09/10 17:00 | Juan A H Serrano v Gerardo L Villasenor | 7-6,6-4 |