Stadium: Stadium Round: 62 Ground: Hardcourt outdoor
| ITF M25 Santo Domingo | 2023/02/13 17:00 | Gabriel P Tumasonis v Kenzo K Larsson | 7-5,6-4 |
| ITF M25 Vacaria | 2022/11/30 16:05 | Gabriel P Tumasonis v Gabriel Schenekenberg | 4-6,6-7 |
| ITF M25 Lajeado | 2022/11/22 23:10 | Lorenzo Joaquin Rodriguez v Gabriel P Tumasonis | 6-3,6-3 |
| Challenger Sao Leopoldo | 2022/11/13 14:15 | Gabriel P Tumasonis v Eduardo Ribeiro | 3-6,5-7 |
| ITF M25 Rio de Janeiro | 2022/10/19 17:30 | Pedro Rodrigues v Gabriel P Tumasonis | 6-4,6-2 |
| Challenger Campinas | 2022/10/02 14:30 | Carlos Sanchez Jover v Gabriel P Tumasonis | 6-1,6-1 |
| ITF M15 Cancun | 2022/09/28 14:00 | Gabriel P Tumasonis v Andrew Rogers | 3-6,4-6 |
| ITF M15 Cancun | 2022/09/20 15:00 | Gabriel P Tumasonis v Joao M Nusdeo | 6-3,1-6,4-6 |
| ITF M25 Santo Domingo | 2023/02/13 13:30 | Jesus M Rosario v Thomas Brown | 1-6,0-6 |
| ITF M25 Wesley Chapel | 2023/01/26 15:00 | Thomas Brown v Zachary Svajda | 1-6,0-6 |
| ITF M25 Wesley Chapel | 2023/01/25 17:05 | Darian King v Thomas Brown | 5-7,5-7 |
| ITF M25 Wesley Chapel | 2023/01/24 16:10 | Patricio Alvarado v Thomas Brown | 2-6,2-6 |
| ITF M25 Wesley Chapel | 2023/01/23 14:45 | Thomas Brown v Jakub Ostajewski | 6-3,6-1 |
| ITF M15 Boca Raton | 2022/11/16 15:30 | Guy Den Ouden v Thomas Brown | 6-3,6-3 |
| ITF M15 Boca Raton | 2022/11/15 14:00 | Thomas Brown v Jelani Sarr | 7-5,6-4 |
| ITF M15 Boca Raton | 2022/11/14 16:00 | Finn Murgett v Thomas Brown | 3-6,0-6 |