| UTR Pro Arkansas | 2023/09/22 22:00 | Evan Bynoe v Alexander Okonkwo | 7-6,6-2 |
| UTR Pro Arkansas | 2023/09/21 19:00 | Thiago Pernas v Alexander Okonkwo | 3-2 |
| UTR Pro Arkansas | 2023/09/20 17:00 | Volodymyr Zakharov v Alexander Okonkwo | 1-6,1-6 |
| UTR Pro Arkansas | 2023/09/18 19:30 | Alexander Okonkwo v Bozo Barun | 6-4,7-5 |
| UTR Pro Easton | 2023/04/08 08:00 | Yujiro Onuma v Alexander Okonkwo | 7-6,6-0 |
| UTR Pro Easton | 2023/04/06 10:00 | Alexander Okonkwo v Ali Habib | 5-7,6-2,6-3 |
| UTR Pro Easton | 2023/04/05 07:00 | Alexander Okonkwo v Michael Shaw | 5-7,6-0,2-6 |
| UTR Pro Easton | 2023/04/04 11:30 | David Quayle v Alexander Okonkwo | 6-4,6-0 |
| UTR Pro Arkansas | 2023/09/22 19:00 | Connor Smillie v David Stevenson | 1-6,4-6 |
| UTR Pro Arkansas | 2023/09/21 23:21 | Melvin Manuel v David Stevenson | 7-6,6-1 |
| UTR Pro Arkansas | 2023/09/19 19:30 | Callum Gale v David Stevenson | 6-1,4-6,2-5 |
| UTR Pro Arkansas | 2023/09/18 23:30 | David Stevenson v Alan Sau Franco | 7-6,3-6,4-6 |
| ITF M15 Memphis | 2022/08/17 22:50 | David Stevenson v Keshav Chopra | 6-7,4-6 |
| UTR Pro Tennis Series Dallas | 2021/08/14 16:00 | James Tracy v David Stevenson | 7-6,7-5 |
| UTR Pro Tennis Series Dallas | 2021/08/13 13:00 | Stefan Latinov v David Stevenson | 4-6,3-6 |
| UTR Pro Tennis Series Dallas | 2021/08/11 14:30 | David Stevenson v Nicklas Oberg | 6-1,6-0 |