Estadio: Centre Court Round: 25 Ground: Clay
| Challenger de Pozoblanco | 2023/07/17 21:30 | Mattia Bellucci v Louis Wessels | 7-6,6-3 |
| ITF M25 Kassel | 2023/07/12 15:50 | Louis Wessels v Buvaysar Gadamauri | 6-7,6-2,3-6 |
| ITF M25 Marburgo | 2023/07/09 10:55 | Timo Stodder v Louis Wessels | 6-4,6-3 |
| ITF M25 Marburgo | 2023/07/08 12:30 | Alex Rybakov v Louis Wessels | 6-7,6-4,4-6 |
| ITF M25 Marburgo | 2023/07/07 10:30 | Dominik Recek v Louis Wessels | 3-6,0-6 |
| ITF M25 Marburgo | 2023/07/06 16:40 | Daniel Paty v Louis Wessels | 5-7,5-7 |
| ITF M25 Marburgo | 2023/07/05 10:55 | Karlo Cubelic v Louis Wessels | 7-6,4-6,3-6 |
| ITF M25 Arlon | 2023/06/30 10:55 | Louis Wessels v Sandro Kopp | 6-7,3-6 |
| Challenger de Luedenscheid | 2023/08/01 08:00 | Hady Habib v Marcelo Zormann | 4-6,6-2,6-7 |
| Challenger de Luedenscheid | 2023/07/30 15:05 | Marcelo Zormann v Filip Bergevi | 6-3,6-7,6-4 |
| Challenger San Benedetto | 2023/07/09 14:15 | Dmitry Popko v Marcelo Zormann | 7-5,6-7,6-2 |
| Challenger Florianópolis | 2023/04/16 18:50 | Thiago Cigarran v Marcelo Zormann | 4-6,7-6,3-6 |
| Challenger de Viña del Mar | 2023/03/12 19:30 | Federico Gaio v Marcelo Zormann | 6-2,6-3 |
| Challenger de Santiago | 2023/03/05 16:45 | Alvaro Lopez San Martin v Marcelo Zormann | 6-4,7-6 |
| Challenger de Piracicaba | 2023/01/15 12:30 | Marcelo Zormann v Edoardo Lavagno | 6-3,4-6,3-6 |
| UTR Pro - Río de Janeiro | 2023/01/02 16:37 | Marcelo Zormann v Enrique Bogo | 6-1,6-2 |