Stadium: Court 3 Round: 25 Ground: Clay
| ITF M25 - Oviedo | 2023/08/30 14:30 | Sergio Callejon Hernando v Carlos Gimeno Valero | 1-6,4-6 |
| ITF M25 - Oviedo | 2023/08/28 17:45 | Sergio Callejon Hernando v Alejandro T Alvarez | 6-2,6-3 |
| ITF M25 - Oviedo | 2023/08/28 10:30 | Sergio Callejon Hernando v Samuel M Arjona | 6-4,7-5 |
| ITF M25 - Santander | 2023/08/23 17:00 | Ryan Nijboer v Sergio Callejon Hernando | 6-1,7-6 |
| ITF M25 - Santander | 2023/08/22 08:00 | Sergio Callejon Hernando v Iker Urribarrens | 6-2,2-6,6-3 |
| ITF M25 - Santander | 2023/08/21 09:00 | Sergio Callejon Hernando v Carlos Guerrero Alvarez | 6-4,6-3 |
| 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 |
| Challenger Todi | 2023/08/17 20:10 | Felix Gill v Giovanni Fonio | 3-6,4-6 |
| Challenger Todi | 2023/08/16 17:15 | Enrico Dalla Valle v Felix Gill | 7-5,4-6,4-6 |
| Challenger Todi | 2023/08/15 14:00 | Felix Gill v Francesco Forti | 7-6,4-6,7-6 |
| Challenger Todi | 2023/08/14 11:45 | Mathys Erhard v Felix Gill | 6-1,3-6,0-6 |
| Challenger Todi | 2023/08/13 14:40 | Felix Gill v Juan Bautista Otegui | 1-6,6-3,6-3 |
| Challenger Meerbusch | 2023/08/09 09:25 | Daniel Rincon v Felix Gill | 6-4,6-2 |
| Challenger Meerbusch | 2023/08/08 09:00 | Felix Gill v Miguel Damas | 6-3,1-6,6-3 |
| Challenger Meerbusch | 2023/08/07 11:55 | Felix Gill v Pedro Vives Marcos | 7-6,7-6 |