Stadium: Court 2 Round: 62 Ground: Clay
| ITF M25 La Nucia | 2023/05/30 08:00 | Ryan Nijboer v Alberto A Fernandez | 6-0,6-1 |
| ITF M15 Bucharest | 2023/05/26 10:10 | Petr Nesterov v Ryan Nijboer | 7-5,6-2 |
| ITF M15 Bucharest | 2023/05/25 10:05 | Pedro Iamachkine v Ryan Nijboer | 5-7,3-6 |
| ITF M15 Bucharest | 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 |
| ITF M25 La Nucia | 2023/05/30 08:00 | Noah Regas v Patricio Alvarado | 1-6,6-4,10-8 |
| ITF M25 Reus | 2023/04/04 10:30 | Leonid Sheyngezikht v Noah Regas | 2-6,6-1,10-3 |
| ITF M25 Reus | 2023/04/03 08:00 | Noah Regas v Alvaro Peiro Serrano | 6-2,6-1 |
| Challenger Girona | 2023/03/26 10:35 | Juan Bautista Torres v Noah Regas | 6-1,6-1 |
| ITF M25 Palmanova | 2023/03/22 10:25 | Noah Regas v Sergio Callejon Hernando | 7-6,3-6,6-7 |
| ITF M25 Palmanova | 2023/03/21 12:05 | Gabriel Elicha Navas v Noah Regas | 4-6,6-7 |
| ITF M25 Torello | 2023/02/26 12:00 | Beren Tan v Noah Regas | 7-6,6-4 |
| ITF M15 Madrid | 2022/12/08 14:05 | Miguel Damas v Noah Regas | 6-4,6-4 |