Stadium: Court 3 Round: 26 Ground: Clay
| ITF M25 La Nucia | 2023/06/01 07:00 | Ryan Nijboer v Jaime Caldes | 6-2,6-7,6-1 |
| ITF M25 La Nucia | 2023/05/31 09:35 | Ryan Nijboer v Noah Regas | 6-2,6-0 |
| ITF M25 La Nucia | 2023/05/30 08:00 | Ryan Nijboer v Alberto A Fernandez | 6-0,6-1 |
| 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 Bukurešť | 2023/05/28 11:00 | Cezar Cretu v Yshai Oliel | 6-4,6-2 |
| ITF M15 Bukurešť | 2023/05/27 07:55 | Yshai Oliel v Florent Bax | 2-6,6-3,7-6 |
| ITF M15 Bukurešť | 2023/05/26 08:00 | Yshai Oliel v Juan Pablo Paz | 6-4,6-4 |
| ITF M15 Bukurešť | 2023/05/25 08:00 | Yshai Oliel v Dragos N Cazacu | 6-4,6-0 |
| ITF M15 Bukurešť | 2023/05/24 06:55 | Yshai Oliel v Daniele Minighini | 6-2,6-2 |
| ITF M15 - Antalya | 2023/05/07 08:00 | Luciano Emanuel Ambrogi v Yshai Oliel | 6-2,7-5 |
| ITF M15 - Antalya | 2023/05/06 13:30 | Mirko Martinez v Yshai Oliel | 0-6,0-6 |
| ITF M15 - Antalya | 2023/05/05 08:00 | Jeremy Jahn v Yshai Oliel | 4-6,4-6 |