Stadium: Court 15 Round: 54 Ground: Clay
| ITF M25 Porto | 2023/07/24 10:00 | Ethan Cook v Karol Malirz | 6-7,3-6 |
| ITF M25 Castelo Branco | 2023/07/19 17:00 | Ethan Cook v Guillaume Dalmasso | 3-6,2-6 |
| ITF M25 Roda de Bara | 2023/07/10 13:00 | Albert Pedrico Kravtsov v Ethan Cook | 3-6,6-4,10-5 |
| ITF M25 Ajaccio | 2023/07/04 08:45 | Petro Orlando Fellin v Ethan Cook | 6-1,6-1 |
| ITF M25 Ajaccio | 2023/07/03 14:25 | Ethan Cook v Max Cunat | 6-4,6-4 |
| ITF M25 Ajaccio | 2023/07/02 19:10 | Ethan Cook v Luka Sauer Jimenez | 6-1,6-3 |
| ITF M15 Jakarta | 2023/06/19 02:00 | Ethan Cook v Hong-Lin Fu | 2-6,1-6 |
| ITF M15 Jakarta | 2023/06/14 05:25 | Ethan Cook v Vishnu Vardhan | 7-6,3-6,4-6 |
| ITF M25 Arlon | 2023/06/27 09:30 | Charlelie Cosnet v Jip Van Assendelft | 7-6,6-3 |
| ITF M25 Arlon | 2023/06/26 14:55 | Alex Degabriele v Jip Van Assendelft | 3-6,4-6 |
| UTR Pro Hilversum | 2023/06/11 07:30 | Twan Van Zijl v Jip Van Assendelft | 4-6,4-5 |
| UTR Pro Hilversum | 2023/06/10 06:00 | Mats Bredschneijder v Jip Van Assendelft | 6-4,0-6,1-6 |
| UTR Pro Hilversum | 2023/06/08 11:05 | Jip Van Assendelft v Roland Stuurman | 2-6,6-7 |
| UTR Pro Hilversum | 2023/06/07 08:13 | Jip Van Assendelft v Gabriel Alejandro Hidalgo | 2-6,3-6 |
| UTR Pro Hilversum | 2023/06/06 09:18 | Jip Van Assendelft v Aloys J W Van Baal | 7-5,6-0 |
| UTR Pro Hilversum | 2023/06/05 06:00 | Jip Van Assendelft v Mika Berghaus | 6-3,6-3 |