Stadium: __TBA Round: 62 Ground: Clay
| ITF M15 Bukurešť | 2023/05/26 10:10 | Petr Nesterov v Ryan Nijboer | 7-5,6-2 |
| ITF M15 Bukurešť | 2023/05/25 10:05 | Pedro Iamachkine v Ryan Nijboer | 5-7,3-6 |
| ITF M15 Bukurešť | 2023/05/24 09:25 | Vito Dell'Elba v Ryan Nijboer | 1-6,0-6 |
| ITF M15 Prijedor | 2023/05/18 08:45 | Ryan Nijboer v Petr Brunclik | 4-6,6-4,3-10 |
| ITF M15 Doboj | 2023/05/13 07:30 | Marat Sharipov v Ryan Nijboer | 6-1,6-3 |
| ITF M15 Doboj | 2023/05/12 07:00 | Kirill Mishkin v Ryan Nijboer | 2-6,0-6 |
| ITF M15 Doboj | 2023/05/10 08:00 | Gabriele Maria Noce v Ryan Nijboer | 4-6,1-6 |
| Challenger Řím | 2023/04/24 10:05 | Ryan Nijboer v Alexander Weis | 4-6,6-3,2-6 |
| ITF M25 Madrid | 2022/09/11 15:15 | Illya Maksymchuk v Alberto A Fernandez | 7-6,6-3 |
| ITF M25 Santander | 2022/08/22 13:30 | Alberto A Fernandez v Ivan Kazakov | 6-2,6-7,5-10 |
| ITF M25 Santander | 2022/08/21 09:00 | Noah Regas v Alberto A Fernandez | 6-3,1-6,8-10 |
| ITF M25 Denia | 2022/07/24 14:30 | Alberto A Fernandez v Sergi Fita Juan | 6-3,1-6,8-10 |
| ITF M25 Gandia | 2022/07/19 07:55 | Alberto A Fernandez v Giacomo Revelli | 2-6,0-6 |