Stadium: Court 3 Round: 54 Ground: Clay
| 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 | Javier Molino v Sergio Callejon Hernando | 7-6,5-7,2-10 |
| ITF M15 Xativa | 2023/07/31 15:00 | Pablo Alemany 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 Javier Molino | 5-7,7-6,7-10 |
| ITF M25 Denia | 2023/07/23 08:00 | Samuel Kyjaci v Sergio Callejon Hernando | 1-6,0-6 |
| ITF M15 Eupen | 2023/08/08 08:00 | Axel Garcian v Jiri Cizek | 7-6,6-1 |
| ITF M15 Eupen | 2023/08/07 10:00 | Jiri Cizek v Marcel Hornung | 6-3,6-4 |
| ITF M15 Wroclaw | 2023/06/26 09:00 | Jiri Cizek v Tomas Jirousek | 5-7,4-6 |
| ITF M15 Wroclaw | 2023/06/25 08:00 | Jiri Cizek v Tomas Vaise | 3-6,6-4,10-6 |
| ITF M25 Poprad | 2023/06/19 08:00 | Filip Apltauer v Jiri Cizek | 6-3,5-7,10-8 |
| ITF M25 Jablonec Nad Nisou | 2023/05/29 09:00 | Jiri Cizek v Dominik Recek | 4-6,3-6 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 11:30 | Tomas Krcma v Jiri Cizek | 2-6,1-6 |
| ITF M25 Prague | 2023/05/17 11:00 | Jiri Cizek v Matthew William Donald | 6-7,3-6 |