Stadium: Court 1S Round: 25 Ground: Hardcourt outdoor
| ITF M25 Decatur | 2023/08/03 13:55 | Mitsui, Shunsuke v Oliver Okonkwo | 7-6,6-4 |
| ITF M25 Decatur | 2023/08/01 16:05 | Oliver Okonkwo v Semen Pankin | 6-2,1-6,10-8 |
| ITF M25 Edwardsville | 2023/07/24 14:00 | Kenta Miyoshi v Oliver Okonkwo | 6-3,6-4 |
| ITF M25 Champaign | 2023/07/18 14:55 | Gregg, Perry v Oliver Okonkwo | 3-6,6-2,10-7 |
| ITF M15 South Bend | 2023/06/21 17:05 | Adhithya Ganesan v Oliver Okonkwo | 6-0,6-3 |
| ITF M15 South Bend | 2023/06/20 15:00 | Bernard, John 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 London | 2023/05/20 10:16 | Petrovic, Luka v Oliver Okonkwo | 6-4,6-4 |
| ITF M15 Frankfurt Am Main | 2023/08/10 09:00 | Lucas Gerch v Yunis, Facundo | 6-1,6-2 |
| ITF M15 Frankfurt Am Main | 2023/08/09 10:15 | Yunis, Facundo v Stepan Mruzek | 6-2,6-4 |
| ITF M15 Frankfurt Am Main | 2023/08/07 13:00 | Yunis, Facundo v Filip Apltauer | 6-1,6-2 |
| ITF M15 Frankfurt Am Main | 2023/08/07 08:00 | Yunis, Facundo v Mika Lipp | 6-4,6-4 |
| ITF M25 Wetzlar | 2023/08/03 07:55 | Milan Welte v Yunis, Facundo | 7-5,6-3 |
| ITF M25 Wetzlar | 2023/08/01 10:30 | Yunis, Facundo v Raphael Calzi | 6-4,6-1 |
| ITF M25 Wetzlar | 2023/07/31 11:30 | Yunis, Facundo v Felix Einig | 6-1,6-2 |
| ITF M15 Uslar | 2023/07/20 13:30 | Yunis, Facundo v Corentin Denolly | 5-7,1-6 |