Stadium: Court 4 Round: 54 Ground: Clay
| ITF M15 Belem | 2023/08/14 13:00 | Gustavo Teisen Pereira v Miguel Angel Cabrera | 2-6,0-6 |
| ITF M15 Mogi das Cruzes | 2023/04/25 13:00 | Luis Britto v Gustavo Teisen Pereira | 6-4,6-2 |
| ITF M15 Mogi das Cruzes | 2023/04/24 13:00 | Gustavo Teisen Pereira v Francisco Faigenbaum | 6-0,6-2 |
| ITF M15 Santo Domingo | 2023/04/09 14:00 | Gustavo Teisen Pereira v Ryan A Dos Santos | 3-6,6-4,3-10 |
| ITF M15 Santo Domingo | 2023/04/03 14:00 | Gustavo Teisen Pereira v Ignacio B Alia | 6-2,4-6,10-12 |
| ITF M25 Rio Cuarto | 2023/03/05 15:30 | Gustavo Teisen Pereira v Alexander Stater | 2-6,0-6 |
| ITF M15 Tucuman | 2023/02/19 14:30 | Gustavo Teisen Pereira v Ramiro Amarilla | 4-6,6-7 |
| UTR Pro Rio de Janeiro | 2023/01/04 13:30 | Gustavo Teisen Pereira v Christian Lindell | 4-6,4-6 |
| UTR Pro Tigre | 2023/04/01 15:30 | Mariano Kestelboim v Mateo Labuckas | 7-5,3-0 |
| UTR Pro Tigre | 2023/03/31 15:00 | Mateo Labuckas v Franco Emanuel Egea | 3-6,0-5 |
| UTR Pro Tigre | 2023/03/30 15:44 | Mateo Labuckas v Ezequiel Simonit | 6-4,6-3 |
| UTR Pro Tigre | 2023/03/29 12:00 | Esteban Bruna v Mateo Labuckas | 3-6,1-6 |
| UTR Pro Tigre | 2023/03/28 13:30 | Romeo Arcuschin v Mateo Labuckas | 6-4,6-4 |
| UTR Pro Tigre | 2023/03/22 15:45 | Mateo Labuckas v Fermin Tenti | 7-6,6-1 |
| UTR Pro Tigre | 2023/03/21 21:00 | Mateo Labuckas v Joaquin Aguillar Cardozo | 2-6,2-6 |
| UTR Pro Tigre | 2023/03/20 12:00 | Romeo Arcuschin v Mateo Labuckas | 6-4,6-2 |