Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| Challenger Bloomfield Hills | 2024/06/30 19:25 | Oliver Okonkwo v William Grant | 4-6,4-6 |
| ITF M25 Tulsa | 2024/06/20 13:55 | Oliver Okonkwo v Alexander Kotzen | 1-6,2-6 |
| ITF M25 Tulsa | 2024/06/19 17:00 | Pierce Rollins v Oliver Okonkwo | 6-3,3-6,4-6 |
| ITF M25 Tulsa | 2024/06/18 16:05 | Oliver Okonkwo v Azuma Visaya | 3-6,6-2,10-7 |
| ITF M25 Tulsa | 2024/06/17 14:00 | Oliver Okonkwo v Esunge Ndumbe | 6-2,7-6 |
| ITF M25 Wichita | 2024/06/11 14:55 | Sebastian Gorzny v Oliver Okonkwo | 6-3,6-3 |
| ITF M25 Wichita | 2024/06/10 18:30 | Tommy Czaplinski v Oliver Okonkwo | 4-6,4-6 |
| ITF M25 Naples | 2024/02/20 16:30 | Collin Altamirano v Oliver Okonkwo | 6-3,6-0 |
| ITF M25 Laval | 2024/07/01 16:20 | Alvin N Tudorica v Nick Lagaev | 6-3,6-4 |
| ITF M25 Laval | 2024/06/30 15:15 | Henry Ren v Nick Lagaev | 0-6,6-7 |
| ITF M15 Los Angeles | 2024/06/25 19:00 | Nick Lagaev v Colton Smith | 6-2,1-6,8-10 |
| ITF M15 Los Angeles | 2024/06/24 18:00 | Elijah Strode v Nick Lagaev | 5-7,3-6 |
| ITF M15 Rancho Santa Fe | 2024/06/17 16:00 | Nick Lagaev v Colton Smith | 2-6,2-6 |
| ITF M15 East Lansing | 2023/11/15 16:25 | Fons Van Sambeek v Nick Lagaev | 7-6,6-2 |
| ITF M15 East Lansing | 2023/11/14 14:00 | Alexander Brown v Nick Lagaev | 1-6,4-6 |
| ITF M15 Pittsburgh | 2023/07/27 15:00 | Juan Carlos Aguilar v Nick Lagaev | 6-4,6-4 |