Stadium: Court 4 Round: 54 Ground: Clay
| ITF M15 Santa Cruz | 2023/11/26 14:00 | Gustavo Teisen Pereira v Guilherme Meale | 6-1,7-5 |
| ITF M15 Cochabamba | 2023/11/12 13:00 | Guilherme Meale v Lucca Pinto | 4-6,4-6 |
| ITF M25 Lajeado | 2023/10/09 16:00 | Juan Estevez v Guilherme Meale | 6-2,6-1 |
| ITF M15 Monastir | 2023/07/16 08:00 | Gilbert S K Junior v Guilherme Meale | 6-0,6-1 |
| ITF M15 Monastir | 2023/07/02 08:30 | Evangelos Kypriotis v Guilherme Meale | 6-4,7-5 |
| ITF M15 Monastir | 2023/06/25 08:30 | Adit Sinha v Guilherme Meale | 6-0,6-0 |
| ITF M15 Chieti | 2023/06/11 09:30 | Guilherme Meale v Giammarco Gandolfi | 1-6,3-6 |
| ITF M15 Mogi das Cruzes | 2023/04/24 13:00 | Luis Britto v Guilherme Meale | 6-0,6-2 |
| Challenger Piracicaba | 2024/01/28 18:45 | Damien Wenger v Gabriel P Tumasonis | 6-1,6-1 |
| ITF M25 Lajeado | 2023/10/09 16:00 | Sean Hess v Gabriel P Tumasonis | 6-3,6-2 |
| ITF M15 Sao Paulo | 2023/08/21 16:30 | Enzo Lima v Gabriel P Tumasonis | 6-3,6-1 |
| ITF M15 Belem | 2023/08/15 13:00 | Gabriel P Tumasonis v Miguel Angel Cabrera | 0-6,1-6 |
| ITF M15 Belem | 2023/08/14 13:00 | Gabriel P Tumasonis v Valentin M Greco | 6-3,6-3 |
| ITF M25 Mosquera | 2023/03/20 18:40 | Arvid Nordquist v Gabriel P Tumasonis | 6-3,6-4 |
| ITF M25 Anapoima | 2023/03/12 15:00 | Joel Angel Lucero v Gabriel P Tumasonis | 6-1,6-2 |
| ITF M25 Santo Domingo | 2023/02/20 14:00 | Ziwen Ju v Gabriel P Tumasonis | 7-6,6-3 |