Estadio: EÓ Hotels Court Round: 25 Ground: Clay
| Challenger de Valencia | 2023/11/20 11:40 | Miguel Damas v Nicolas Alvarez Varona | 6-1,6-0 |
| Challenger de Valencia | 2023/11/19 12:30 | Nicolas Alvarez Varona v Lorenzo Giustino | 6-4,6-4 |
| ITF M15 Valencia | 2023/11/16 08:20 | Carlos Gimeno Valero v Nicolas Alvarez Varona | 6-1,3-6,6-4 |
| ITF M15 Valencia | 2023/11/14 11:00 | Nicolas Alvarez Varona v Alex M Pujolras | 6-2,6-7,6-2 |
| ITF M25 Benicarló | 2023/11/07 11:35 | Alejandro Moro Canas v Nicolas Alvarez Varona | 6-3,6-3 |
| ITF M15 Castellón | 2023/10/19 14:00 | Miguel Damas v Nicolas Alvarez Varona | 7-6,6-1 |
| ITF M15 Castellón | 2023/10/19 09:55 | Nikolay Nedelchev v Nicolas Alvarez Varona | 3-6,3-6 |
| ITF M15 Castellón | 2023/10/18 12:40 | Antonio Cayetano March v Nicolas Alvarez Varona | 2-6,3-6 |
| Challenger de Maspalomas | 2023/11/27 12:10 | Kilian Feldbausch v Dan Alexandru Tomescu | 6-1,6-4 |
| Challenger de Maspalomas | 2023/11/26 13:25 | Andrey Chepelev v Kilian Feldbausch | 3-6,5-7 |
| ITF M15 Boca Ratón | 2023/11/19 14:55 | Kilian Feldbausch v Garrett Johns | 6-4,7-5 |
| ITF M15 Boca Ratón | 2023/11/18 15:00 | Federico Agustin Gomez v Kilian Feldbausch | 1-6,3-6 |
| ITF M15 Boca Ratón | 2023/11/17 21:25 | Dmitry Popko v Kilian Feldbausch | 2-6,3-6 |
| ITF M15 Boca Ratón | 2023/11/17 14:00 | Charlie Camus v Kilian Feldbausch | 0-6,0-6 |
| ITF M15 Boca Ratón | 2023/11/16 13:00 | Jaycer Lyeons v Kilian Feldbausch | 0-6,5-7 |
| Challenger de Lima | 2023/11/07 15:00 | Luciano Darderi v Kilian Feldbausch | 6-4,3-6,7-5 |