Stadium: Court 2 Round: 25 Ground: Clay
| ITF M25 Lujan | 2023/09/25 17:15 | Joao Eduardo Schiessl v Gonzalo Zeitune | 6-2,7-5 |
| ITF M25 Lujan | 2023/09/24 17:00 | Joao Eduardo Schiessl v Rocco Valente | 6-1,7-5 |
| ITF M15 Punta del Este | 2023/09/20 16:00 | Franco Roncadelli v Joao Eduardo Schiessl | 3-6,6-3,6-0 |
| ITF M15 Sao Paulo | 2023/08/25 18:30 | Eduardo Ribeiro v Joao Eduardo Schiessl | 7-6,6-4 |
| ITF M15 Sao Paulo | 2023/08/24 13:55 | Luis Britto v Joao Eduardo Schiessl | 3-6,3-6 |
| ITF M15 Sao Paulo | 2023/08/23 15:55 | Joao Eduardo Schiessl v Joao Victor C Loureiro | 6-1,6-4 |
| ITF M15 Belem | 2023/08/18 19:00 | Rodrigo Pacheco Mendez v Joao Eduardo Schiessl | 6-2,6-3 |
| ITF M15 Belem | 2023/08/17 19:25 | Joao M Nusdeo v Joao Eduardo Schiessl | 1-6,2-6 |
| Davis Cup | 2023/09/16 19:00 | Gonzalo Bueno v Viktor Durasovic | 3-6,4-6 |
| Challenger Lima | 2023/08/24 21:00 | Gonzalo Bueno v Renzo Olivo | 6-4,3-6,3-6 |
| Challenger Lima | 2023/08/24 00:45 | Gonzalo Bueno v Andres Andrade | 6-3,6-2 |
| Challenger Lima | 2023/08/22 21:00 | Gonzalo Bueno v Milledge Cossu | 6-2,6-3 |
| ITF M25 Trujillo | 2023/08/19 17:15 | Juan Pablo Ficovich v Gonzalo Bueno | 6-4,6-4 |
| ITF M25 Trujillo | 2023/08/18 15:00 | Gonzalo Bueno v Bruno Kuzuhara | 6-1,7-6 |
| ITF M25 Trujillo | 2023/08/17 17:30 | Gonzalo Bueno v Ignacio Monzon | 7-5,4-6,6-2 |
| ITF M25 Trujillo | 2023/08/16 14:55 | Gonzalo Bueno v Alejandro H Franco | 6-3,7-5 |