Stadium: Court 2 Round: 54 Ground: Clay
| 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 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/25 18:30 | Eduardo Ribeiro v Joao Eduardo Schiessl | 7-6,6-4 |
| Sao Paulo, Singles M-ITF-BRA-06A | 2023/08/24 13:55 | Luis Britto v Joao Eduardo Schiessl | 3-6,3-6 |
| Sao Paulo, Singles M-ITF-BRA-06A | 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 | Nusdeo, Joao Marcos v Joao Eduardo Schiessl | 1-6,2-6 |
| ITF M25 Esch/Alzette | 2023/07/19 15:35 | Joao Eduardo Schiessl v Samuel Brosset | 7-6,5-7,4-6 |
| ITF M25 Lujan | 2023/09/24 13:00 | Gonzalo Zeitune v Lautaro Agustin Corthey | 6-2,3-6,10-4 |
| ITF - M15 Punta del Este | 2023/09/20 13:00 | Nusdeo, Joao Marcos v Gonzalo Zeitune | 6-0,6-0 |
| ITF - M25 Punta del Este | 2023/09/19 13:00 | Gonzalo Zeitune v Julian Cundom | 6-4,6-3 |
| ITF - M25 Punta del Este | 2023/09/18 13:00 | Gino Romano v Gonzalo Zeitune | 3-6,1-6 |
| ITF M15 Olavarria | 2023/09/03 12:00 | Gonzalo Zeitune v Manuel Mouilleron Salvo | 1-6,5-7 |
| Buenos Aires, Singles Qualifying M-ITF-ARG-22A | 2023/08/29 13:00 | Gonzalo Zeitune v Adolfo Daniel Vallejo | 4-6,1-6 |
| ITF M25 Trujillo | 2023/08/13 15:00 | Lucio Ratti v Gonzalo Zeitune | 7-6,6-1 |
| ITF M15 Arequipa | 2023/08/07 15:00 | Frazier Rengifo v Gonzalo Zeitune | 6-2,4-6,10-6 |