Stadium: Pedro Amadeu Round: 14 Ground: Clay
| Challenger - Campinas | 2023/10/02 15:15 | Orlando Luz v Marcelo Zormann | 6-4,6-3 |
| Challenger - Campinas | 2023/10/01 16:55 | Joao M Nusdeo v Marcelo Zormann | 3-6,3-6 |
| Challenger - Bogota | 2023/09/24 18:15 | Blaise Bicknell v Marcelo Zormann | 6-4,3-6,6-4 |
| Challenger - Antofagasta | 2023/09/17 17:50 | Ignacio Monzon v Marcelo Zormann | 6-2,6-2 |
| Challenger - Santa Cruz | 2023/09/13 00:45 | Matheus P De Almeida v Marcelo Zormann | 6-4,6-4 |
| Challenger - Santa Cruz | 2023/09/11 19:40 | Juan Sebastian Gomez v Marcelo Zormann | 6-3,2-6,6-7 |
| Challenger - Santa Cruz | 2023/09/10 20:20 | Joao Victor C Loureiro v Marcelo Zormann | 3-6,4-6 |
| Challenger - Meerbusch | 2023/08/06 15:40 | Ergi Kirkin v Marcelo Zormann | 6-3,6-1 |
| ITF - M25 Zapopan | 2023/10/14 20:00 | Ignacio Buse v Victor Lilov | 6-3,7-6 |
| ITF - M25 Zapopan | 2023/10/14 02:10 | Ernesto Escobedo v Ignacio Buse | 7-5,2-6,4-6 |
| ITF - M25 Zapopan | 2023/10/12 18:00 | Ignacio Buse v Alan F R Fierros | 6-3,5-7,6-3 |
| ITF - M25 Zapopan | 2023/10/11 17:50 | Ignacio Buse v Luca Lemaitre | 6-1,6-2 |
| ITF - M25 Zapopan | 2023/10/10 20:55 | Ignacio Buse v Eugenio G Fitzmaurice | 7-6,6-3 |
| ITF - M25 Mendoza | 2023/10/08 15:30 | Luciano Emanuel Ambrogi v Ignacio Buse | 6-7,3-6 |
| ITF - M25 Mendoza | 2023/10/07 17:00 | Arklon H D Pino v Ignacio Buse | 1-6,4-6 |
| ITF - M25 Mendoza | 2023/10/06 16:15 | Ignacio Buse v Alex Barrena | 6-2,6-1 |