Stadium: Court 6 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Cancun | 2020/02/11 14:00 | Volfson, David v Osgar O'Hoisin | 6-2,6-1 |
| ITF M15 Cancun | 2020/02/03 14:00 | Volfson, David v Osgar O'Hoisin | 7-5,6-3 |
| ITF M15 Quinta Do Lago | 2020/11/01 10:00 | Volfson, David v Teixeira, Bernardo | 6-2,6-0 |
| ITF - M25 Vale Do Lobo | 2020/10/27 10:30 | Barrientos, Nicolas v Volfson, David | 6-3,7-5 |
| ITF - M25 Vale Do Lobo | 2020/10/26 14:00 | Minc, Charles v Volfson, David | 3-6,4-6 |
| ITF - M25 Vale Do Lobo | 2020/10/25 14:00 | Keanu Elias Immler v Volfson, David | 3-6,0-6 |
| Drummondville, Canada | 2020/02/18 01:55 | Volfson, David v Baadi, Taha | 3-6,7-5,4-6 |
| ITF M15 Cancun | 2020/02/13 14:00 | Volfson, David v Felix Corwin | 3-6,3-6 |
| ITF M15 Cancun | 2020/02/12 14:00 | Volfson, David v Brandon Walkin | 6-3,7-6 |
| ITF M15 Cancun | 2020/02/11 14:00 | Volfson, David v Osgar O'Hoisin | 6-2,6-1 |
| ITF - M25 Vale Do Lobo | 2020/10/25 10:00 | Osgar O'Hoisin v Goncalo Falcao | 2-6,3-6 |
| ITF M15 Cancun | 2020/03/08 14:30 | Berry, Noah v Osgar O'Hoisin | 6-4,6-2 |
| ITF M15 Cancun | 2020/02/18 15:00 | Osgar O'Hoisin v Martinez Sarrasague, Felipe | 4-6,4-6 |
| ITF M15 Cancun | 2020/02/17 14:00 | Hasson, Jordan v Osgar O'Hoisin | 4-6,6-4,8-10 |
| ITF M15 Cancun | 2020/02/11 14:00 | Volfson, David v Osgar O'Hoisin | 6-2,6-1 |
| ITF M15 Cancun | 2020/02/10 14:00 | Fortin, Michel-Alexandre v Osgar O'Hoisin | 2-6,3-6 |
| ITF M15 Cancun | 2020/02/09 14:00 | Osgar O'Hoisin v Hasson, Jordan | 6-4,6-4 |
| ITF M15 Cancun | 2020/02/03 14:00 | Volfson, David v Osgar O'Hoisin | 7-5,6-3 |