Stadium: Court 1 Round: 54 Ground: Clay
| ITF M25 Santander | 2023/08/20 09:00 | Sergio Callejon Hernando v Jiri Cizek | 6-2,6-4 |
| ITF M15 Xativa | 2023/08/04 16:25 | Ryan Nijboer v Sergio Callejon Hernando | 6-2,6-3 |
| ITF M15 Xativa | 2023/08/03 15:00 | Fnu Nidunjianzan v Sergio Callejon Hernando | 3-6,3-6 |
| ITF M15 Xativa | 2023/08/02 20:25 | Sergio Callejon Hernando v Jorge Martinez Martinez | 6-3,6-1 |
| ITF M15 Xativa | 2023/08/01 08:45 | Molino, Javier v Sergio Callejon Hernando | 7-6,5-7,2-10 |
| ITF M15 Xativa | 2023/07/31 15:00 | Alemany, Pablo v Sergio Callejon Hernando | 4-6,2-6 |
| ITF M15 Xativa | 2023/07/30 15:00 | Felix Mischker v Sergio Callejon Hernando | 6-7,1-6 |
| ITF M25 Denia | 2023/07/24 09:00 | Sergio Callejon Hernando v Molino, Javier | 5-7,7-6,7-10 |
| ITF M25 Santander | 2023/08/20 09:00 | Carlos Guerrero Alvarez v Nil Regas Luis | 3-6,7-5,10-8 |
| ITF M15 Xativa | 2023/07/30 07:00 | Carlos Guerrero Alvarez v Giacomo Revelli | 3-6,3-6 |
| ITF M25 Denia | 2023/07/25 07:50 | Iker Urribarrens v Carlos Guerrero Alvarez | 6-3,6-7,10-4 |
| ITF M25 Denia | 2023/07/24 09:00 | Carlos Guerrero Alvarez v Alvaro Peiro Serrano | 6-2,6-2 |
| ITF M25 Denia | 2023/07/23 09:00 | Rodrigo Mora Clement v Carlos Guerrero Alvarez | 1-6,0-6 |
| ITF M25 Gandia | 2023/07/17 08:00 | Valerio Perruzza v Carlos Guerrero Alvarez | 6-4,6-4 |
| ITF M25 Gandia | 2023/07/16 07:00 | Luca Nari v Carlos Guerrero Alvarez | 2-6,0-6 |
| ITF M25 Roda de Bara | 2023/07/09 15:30 | Carlos Guerrero Alvarez v Alen Moritz Hodzic | 6-7,1-6 |