Stadium: Cancha 11 Round: 14 Ground: Clay
| Challenger - Bogota | 2023/09/30 15:30 | Gustavo Heide v David Jorda Sanchis | 7-6,6-4 |
| Challenger - Bogota | 2023/09/29 16:00 | Matheus P De Almeida v Gustavo Heide | 4-6,2-6 |
| Challenger - Bogota | 2023/09/27 15:00 | Gustavo Heide v Eduardo Ribeiro | 6-4,6-4 |
| Challenger - Antofagasta | 2023/09/21 13:00 | Gustavo Heide v Tristan Boyer | 4-6,6-3,4-6 |
| Challenger - Antofagasta | 2023/09/20 16:30 | Mariano Navone v Gustavo Heide | 3-6,6-7 |
| Challenger - Santa Cruz | 2023/09/13 19:00 | Francisco Comesana v Gustavo Heide | 6-3,7-5 |
| Challenger - Santa Cruz | 2023/09/12 00:25 | David Jorda Sanchis v Gustavo Heide | 0-6,6-3,5-7 |
| Challenger - Lima | 2023/08/23 15:00 | Gustavo Heide v Alvaro G Meza | 2-6,6-2,6-7 |
| ITF M25 - Santa Margherita | 2023/10/11 11:20 | Timo Stodder v Kilian Feldbausch | 4-6,6-4,6-1 |
| ITF M25 - Santa Margherita | 2023/10/09 14:25 | Patric Prinoth v Kilian Feldbausch | 1-6,0-6 |
| ITF M25 - Santa Margherita | 2023/10/05 08:55 | Goncalo Oliveira v Kilian Feldbausch | 6-3,3-6,6-2 |
| ITF M25 - Santa Margherita | 2023/10/04 08:00 | Kilian Feldbausch v Kirill Kivattsev | 6-7,7-5,7-5 |
| ITF M25 - Santa Margherita | 2023/10/03 08:00 | Giorgio Tabacco v Kilian Feldbausch | 2-6,6-4,4-6 |
| Challenger Braga | 2023/09/25 12:55 | Zsombor Piros v Kilian Feldbausch | 3-6,7-5,6-3 |
| ITF M25 - Sion | 2023/09/01 15:50 | Remy Bertola v Kilian Feldbausch | 6-4,7-5 |
| ITF M25 - Sion | 2023/08/31 12:00 | Noah Lopez v Kilian Feldbausch | 2-6,4-6 |