Level, 1 wins each over 2 singles meetings since 2024. Last meeting on 27/09/2025 at M15 Ann Arbor.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 27/09/2025 | M15 Ann Arbor | Semi-final | hard | Okonkwo | 6-4 6-3 |
| 20/06/2024 | M25 Tulsa | Round 2 | hard | Kotzen | 6-1 6-2 |
| hard | Kotzen 1 - 1 Okonkwo |
| 2025 | Kotzen 0 - 1 Okonkwo |
| 2024 | Kotzen 1 - 0 Okonkwo |
98 wins, 62 losses since 2021 (61.3%).
Last matches: D D D V V
42 wins, 49 losses since 2021 (46.2%).
Last matches: D D D V V
Level, 1 wins each over 2 singles meetings since 2024.
On 27/09/2025, at M15 Ann Arbor (Semi-final): Oliver Okonkwo won 6-4 6-3.