Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| ITF - M25 Weston | 2022/01/24 17:00 | Adhithya Ganesan v Sebastian Sec | 3-6,4-6 |
| ITF - M25 Weston | 2022/01/23 15:15 | Adhithya Ganesan v Zachary Mintz | 6-0,6-2 |
| ITF - M15 South Bend | 2023/06/20 15:00 | John Bernard v Oliver Okonkwo | 2-6,4-6 |
| ITF - M15 South Bend | 2023/06/19 14:00 | Oliver Okonkwo v Sean Daryabeigi | 3-6,6-3,13-11 |
| UTR Pro - Londýn | 2023/05/20 10:16 | Luka Petrovic v Oliver Okonkwo | 6-4,6-4 |
| UTR Pro - Londýn | 2023/05/19 07:00 | Oliver Okonkwo v Ben Hudson | 6-3,5-4 |
| UTR Pro - Londýn | 2023/05/17 08:30 | Oliver Okonkwo v Kabeer Kapasi | 6-2,6-1 |
| UTR Pro - Londýn | 2023/05/16 11:30 | Oliver Okonkwo v Andres Gabriel Ciurletti | 0-6,6-2,6-5 |
| UTR Pro - Londýn | 2023/05/15 07:00 | Adam Jones v Oliver Okonkwo | 6-7,3-6 |
| Challenger - Champaign | 2022/11/14 00:25 | Oliver Okonkwo v Inaki Montes-De La Torre | 1-6,3-6 |