Stadium: Court 3 Round: 28 Ground: Hardcourt outdoor
| ITF M15 Ceuta | 2023/12/15 10:00 | Diego A B Sanchez v Volodymyr Iakubenko | 6-1,6-4 |
| ITF M15 Ceuta | 2023/12/14 09:00 | Diego A B Sanchez v Mark Whitehouse | 3-6,6-4,6-3 |
| ITF M15 Ceuta | 2023/12/13 12:00 | Diego A B Sanchez v Alessandro Coccioli | 4-6,6-0,6-2 |
| ITF M15 Madrid | 2023/12/07 08:45 | Ryan Nijboer v Diego A B Sanchez | 6-2,6-1 |
| ITF M15 Madrid | 2023/12/06 08:45 | Diego A B Sanchez v Mario G Fernandez | 6-3,4-6,6-1 |
| Challenger Maspalomas | 2023/11/26 11:55 | Vilius Gaubas v Diego A B Sanchez | 6-3,6-3 |
| ITF M15 Valencia | 2023/11/18 09:00 | Carlos Gimeno Valero v Diego A B Sanchez | 7-6,7-5 |
| ITF M15 Valencia | 2023/11/17 11:40 | Georgii Kravchenko v Diego A B Sanchez | 4-6,5-7 |
| ITF M15 Ceuta | 2023/12/15 10:00 | David Perez Sanz v John Echeverria | 3-6,1-6 |
| ITF M15 Ceuta | 2023/12/14 09:00 | Leonid Sheyngezikht v John Echeverria | 2-6,1-6 |
| ITF M15 Ceuta | 2023/12/12 14:00 | Alexis Canter v John Echeverria | 2-6,2-6 |
| ITF M15 Madrid | 2023/12/08 10:45 | Marco Trungelliti v John Echeverria | 6-3,6-2 |
| ITF M15 Madrid | 2023/12/07 10:30 | Tao Mu v John Echeverria | 6-1,3-6,3-6 |
| ITF M15 Madrid | 2023/12/06 12:05 | Eero Vasa v John Echeverria | 2-6,4-6 |
| ITF M15 Madrid | 2023/12/01 10:30 | Alejo Sanchez Quilez v John Echeverria | 6-4,6-2 |
| ITF M15 Madrid | 2023/11/30 10:45 | Colin Markes v John Echeverria | 7-5,4-6,6-7 |