Estádio: Quadra 6 Round: 14 Ground: Clay
| Challenger - Maspalomas | 2023/12/03 11:00 | Pedro Martinez v Kilian Feldbausch | 6-4,4-6,6-3 |
| Challenger - Maspalomas | 2023/12/02 10:00 | Daniel Rincon v Kilian Feldbausch | 3-6,1-6 |
| Challenger - Maspalomas | 2023/12/01 13:00 | Kilian Feldbausch v Imanol L Morillo | 6-2,6-2 |
| Challenger - Maspalomas | 2023/11/30 12:45 | Oleksii Krutykh v Kilian Feldbausch | 6-3,3-6,1-6 |
| Challenger - Maspalomas | 2023/11/27 12:10 | Kilian Feldbausch v Dan Alexandru Tomescu | 6-1,6-4 |
| Challenger - Maspalomas | 2023/11/26 13:25 | Andrey Chepelev v Kilian Feldbausch | 3-6,5-7 |
| ITF - M15 Boca Raton | 2023/11/19 14:55 | Kilian Feldbausch v Garrett Johns | 6-4,7-5 |
| ITF - M15 Boca Raton | 2023/11/18 15:00 | Federico Agustin Gomez v Kilian Feldbausch | 1-6,3-6 |
| ITF - M15 Concepción | 2023/12/13 13:00 | Paulo A S Dos Santos v Valerio Aboian | 4-6,4-6 |
| ITF - M15 Concepción | 2023/12/12 17:35 | Nicolas Villalon v Paulo A S Dos Santos | 2-6,6-7 |
| Challenger - Temuco | 2023/11/26 15:55 | Keegan Smith v Paulo A S Dos Santos | 6-4,6-7,6-4 |
| Challenger - Brasília | 2023/11/19 17:25 | Gonzalo Bueno v Paulo A S Dos Santos | 7-6,6-4 |
| ITF - M15 Santo Domingo | 2023/11/16 15:05 | Peter Bertran v Paulo A S Dos Santos | 6-3,7-5 |
| ITF - M15 Santo Domingo | 2023/11/15 18:30 | Paulo A S Dos Santos v Isaac Nortey | 6-7,6-0,6-1 |
| ITF - M15 Santo Domingo | 2023/11/11 13:00 | Paulo A S Dos Santos v Peter Bertran | 7-6,6-4 |
| ITF - M15 Santo Domingo | 2023/11/08 16:30 | Paulo A S Dos Santos v Miles Jones | 2-6,6-4,6-4 |