Stadium: Court 3 Round: 29 Ground: Clay
| ITF M15 Madrid | 2023/09/08 09:25 | Mohamed Safwat v Ryan Nijboer | 5-7,3-6 |
| ITF M15 Madrid | 2023/09/07 08:00 | Gabriele Bosio v Ryan Nijboer | 1-6,5-7 |
| ITF M15 Madrid | 2023/09/06 13:35 | Jaime Caldes v Ryan Nijboer | 2-6,6-3,1-6 |
| ITF M25 Oviedo | 2023/09/02 10:00 | Carlos Lopez Montagud v Ryan Nijboer | 6-1,3-6,6-4 |
| ITF M25 Oviedo | 2023/09/01 08:00 | Gian Marco Moroni v Ryan Nijboer | 5-7,2-6 |
| ITF M25 Oviedo | 2023/08/31 08:00 | Ryan Nijboer v Dali Blanch | 6-3,6-1 |
| ITF M25 Santander | 2023/08/24 13:30 | Ryan Nijboer v Svyatoslav Gulin | 6-3,6-7,3-6 |
| ITF M25 Santander | 2023/08/23 17:00 | Ryan Nijboer v Sergio Callejon Hernando | 6-1,7-6 |
| ITF M15 Madrid | 2023/09/09 08:55 | Luciano Emanuel Ambrogi v Pablo Masjuan Ginel | 1-6,6-7 |
| ITF M15 Madrid | 2023/09/08 09:30 | Jorge Martinez Martinez v Pablo Masjuan Ginel | 6-4,6-7,2-6 |
| ITF M15 Madrid | 2023/09/07 09:55 | Pablo Masjuan Ginel v Felix Gill | 1-6,6-2,6-4 |
| ITF M15 Madrid | 2023/09/06 13:40 | Ivan Marrero Curbelo v Pablo Masjuan Ginel | 4-6,0-6 |
| ITF M25 Oviedo | 2023/08/28 14:55 | Pablo Masjuan Ginel v Giacomo Revelli | 6-3,2-6,10-12 |
| ITF M25 Santander | 2023/08/22 12:50 | Pablo Masjuan Ginel v Carlos Sanchez Jover | 3-6,6-7 |
| ITF M25 Santander | 2023/08/21 11:25 | Pablo Masjuan Ginel v Javier Molino | 6-2,7-5 |
| ITF M25 Santander | 2023/08/20 09:00 | Pablo Masjuan Ginel v Daniel L Salmeron | 2-6,6-3,10-7 |