Stadium: Cancha 8 Round: 14 Ground: Clay
| Challenger - Campinas | 2023/10/02 20:00 | Joao Lucas Reis da Silva v Jan Choinski | 6-4,2-6,1-6 |
| Challenger - Bogota | 2023/09/25 19:55 | Viktor Durasovic v Joao Lucas Reis da Silva | 6-3,4-6,6-3 |
| Challenger - Antofagasta | 2023/09/22 17:30 | Joao Lucas Reis da Silva v Tristan Boyer | 6-7,2-6 |
| Challenger - Antofagasta | 2023/09/21 14:30 | Hugo Dellien v Joao Lucas Reis da Silva | 6-3,6-7,5-7 |
| Challenger - Antofagasta | 2023/09/19 18:30 | Andrea Collarini v Joao Lucas Reis da Silva | 6-7,2-6 |
| Challenger - Santa Cruz | 2023/09/14 19:00 | Pedro Sakamoto v Joao Lucas Reis da Silva | 4-6,7-6,6-2 |
| Challenger - Santa Cruz | 2023/09/13 00:00 | Joao Lucas Reis da Silva v Luciano Darderi | 6-4,6-3 |
| Challenger - Lima | 2023/08/23 17:50 | Arklon H D Pino v Joao Lucas Reis da Silva | 7-5,2-6,6-2 |
| ITF - M25 Mendoza | 2023/10/05 16:00 | Franco Roncadelli v Sebastian Prechtel | 7-6,6-3 |
| ITF - M25 Mendoza | 2023/10/04 14:40 | Sebastian Prechtel v Ignacio Carou | 6-4,2-6,6-1 |
| ITF - M25 Lujan | 2023/09/28 13:00 | Luciano Emanuel Ambrogi v Sebastian Prechtel | 6-3,6-0 |
| ITF - M25 Lujan | 2023/09/26 20:10 | Sebastian Prechtel v Fernando Cavallo | 2-6,7-5,6-3 |
| ITF - M25 Oldenzaal | 2023/08/31 15:35 | Sebastian Prechtel v Dax Donders | 6-3,0-6,6-7 |
| ITF - M25 Oldenzaal | 2023/08/30 18:45 | Sebastian Prechtel v Dean Thurner | 6-3,6-3 |
| Challenger Augsburg | 2023/08/20 08:00 | Sebastian Prechtel v Gianmarco Ferrari | 3-6,3-6 |
| ITF M15 - Kottingbrunn | 2023/08/15 08:00 | Sebastian Prechtel v Svyatoslav Gulin | 3-6,6-7 |