Stadium: Central Round: 19 Ground: Clay
| ITF M25 Oviedo | 2022/08/30 11:05 | Mario Mansilla Diez v Diego A B Sanchez | 2-6,4-6 |
| ITF M15 Xativa | 2022/08/03 07:00 | Mario Mansilla Diez v Diego A B Sanchez | 6-2,6-7,2-6 |
| ITF M25 Palmanova | 2023/03/23 13:00 | Pablo Llamas Ruiz v Diego A B Sanchez | 6-1,6-1 |
| ITF M25 Palmanova | 2023/03/22 10:30 | Diego A B Sanchez v Kai Wehnelt | 7-5,6-3 |
| ITF M25 Palmanova | 2023/03/21 10:20 | Diego A B Sanchez v Nil Regas Luis | 7-6,6-1 |
| ITF M25 Palmanova | 2023/03/20 10:30 | Diego A B Sanchez v Roman Ruenger | 6-1,6-3 |
| ITF M25 Palmanova | 2023/03/15 11:00 | Diego A B Sanchez v Daniel Merida Aguilar | 6-7,2-6 |
| ITF M25 Palmanova | 2023/03/14 08:00 | Diego A B Sanchez v Ignacio B Alia | 6-4,6-1 |
| ITF M25 Torello | 2023/03/02 12:25 | Diego A B Sanchez v Nikolas Sanchez Izquierdo | 6-7,3-6 |
| ITF M25 Torello | 2023/03/01 11:00 | Diego A B Sanchez v Imanol L Morillo | 7-6,7-5 |
| ITF M25 Reus | 2023/04/03 08:00 | Darius Florin Pop v Mario Mansilla Diez | 4-6,3-6 |
| ITF M25 Reus | 2023/04/02 12:00 | Manuel Almeida v Mario Mansilla Diez | 0-6,4-6 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/13 09:30 | Javier Molino v Mario Mansilla Diez | 5-7,7-6,10-7 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/08 14:30 | Mario Mansilla Diez v Noah Gabriel | 6-2,6-7,4-6 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/07 10:00 | Mario Mansilla Diez v Jan Jermar | 6-0,6-2 |
| ITF M15 Madrid | 2022/11/30 11:45 | Federico Bondioli v Mario Mansilla Diez | 6-1,6-3 |
| Challenger Valencia | 2022/11/20 09:00 | Mario Mansilla Diez v Gian Marco Moroni | 3-6,1-6 |
| ITF M15 Benicarlo | 2022/11/06 10:30 | Mario Mansilla Diez v David Naharro | 6-7,7-5,3-10 |