Estadio: CENTRAL Round: 54 Ground: Clay
| ITF M15 Brasilia | 2021/11/01 12:00 | Sean Hess v Gabriel P Tumasonis | 1-6,6-4,8-10 |
| ITF M25 Mendoza | 2023/10/06 15:55 | Matias Franco Descotte v Sean Hess | 4-6,6-3,7-6 |
| ITF M25 Mendoza | 2023/10/05 18:30 | Sean Hess v Lautaro Midon | 2-6,6-4,6-0 |
| ITF M25 Mendoza | 2023/10/04 16:10 | Matias Zukas v Sean Hess | 6-2,3-6,1-6 |
| ITF M25 Mendoza | 2023/10/03 12:00 | Sean Hess v Mateo Matulovich | 6-0,6-4 |
| ITF M25 Mendoza | 2023/10/02 13:00 | Sean Hess v Esteban Bruna | 6-1,2-6,10-8 |
| ITF M25 Mendoza | 2023/10/01 15:00 | Sean Hess v Gonzalo Zeitune | 7-6,6-4 |
| ITF M25 Luján | 2023/09/27 14:50 | Sean Hess v Franco Roncadelli | 1-6,3-6 |
| ITF M25 Luján | 2023/09/25 14:25 | Rafael Tosetto v Sean Hess | 4-6,1-6 |
| ITF M15 São Paulo | 2023/08/21 16:30 | Enzo Lima v Gabriel P Tumasonis | 6-3,6-1 |
| ITF M15 Belém | 2023/08/15 13:00 | Gabriel P Tumasonis v Miguel Angel Cabrera | 0-6,1-6 |
| ITF M15 Belém | 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 |
| ITF M25 Santo Domingo Qual | 2023/02/19 13:00 | Liam Oliver v Gabriel P Tumasonis | 6-3,4-6,6-10 |
| ITF M25 Santo Domingo | 2023/02/14 13:00 | Gabriel P Tumasonis v Thomas Brown | 3-6,1-6 |