Stadium: Central Round: 28 Ground: Clay
| ITF M15 Xativa | 2023/08/04 16:30 | Carlos Lopez Montagud v Andrea Bolla | 7-5,6-4 |
| ITF M15 Xativa | 2023/08/02 18:25 | Carlos Lopez Montagud v Illya Maksymchuk | 7-6,6-2 |
| ITF M25 Denia | 2023/07/30 16:00 | Pedro Rodenas v Carlos Lopez Montagud | 7-6,6-3 |
| ITF M25 Denia | 2023/07/28 08:00 | Facundo Juarez v Carlos Lopez Montagud | 6-4,6-7,4-6 |
| ITF M25 Denia | 2023/07/27 10:55 | Jaime Caldes v Carlos Lopez Montagud | 6-3,1-6,2-6 |
| ITF M25 Denia | 2023/07/26 14:40 | Diego A B Sanchez v Carlos Lopez Montagud | 3-6,1-6 |
| ITF M25 Gandia | 2023/07/21 08:00 | Sergi Perez Contri v Carlos Lopez Montagud | 7-5,7-6 |
| ITF M25 Gandia | 2023/07/20 08:00 | Lorenzo Gagliardo v Carlos Lopez Montagud | 1-6,3-6 |
| ITF M15 Xativa | 2023/08/04 16:25 | Ryan Nijboer v Sergio Callejon Hernando | 6-2,6-3 |
| ITF M15 Xativa | 2023/08/03 16:30 | Ryan Nijboer v Alejandro T Alvarez | 6-1,6-3 |
| ITF M15 Xativa | 2023/08/01 15:30 | Ryan Nijboer v Toprak Avcibasi | 7-6,6-7,6-4 |
| ITF M25 Denia | 2023/07/26 16:25 | Sergi Perez Contri v Ryan Nijboer | 6-4,6-3 |
| Challenger Amersfoort | 2023/07/17 10:55 | Niels Visker v Ryan Nijboer | 7-6,3-6,7-5 |
| Challenger Amersfoort | 2023/07/16 14:55 | Ryan Nijboer v Yanaki Milev | 6-0,6-3 |
| ITF M25 Kassel | 2023/07/13 14:25 | Ryan Nijboer v Andrew Paulson | 6-7,4-6 |
| ITF M25 Kassel | 2023/07/11 14:45 | Ryan Nijboer v Viacheslav Bielinskyi | 6-2,6-2 |