| UTR Pro California | 2023/09/25 20:08 | Keenan Mayo v Lautaro Lautaro Pane | 3-6,4-6 |
| Challenger Winnipeg | 2023/08/13 16:00 | Keenan Mayo v Kiranpal Pannu | 1-6,4-6 |
| Challenger Salinas | 2023/07/23 15:00 | Alfredo Perez v Keenan Mayo | 6-2,6-3 |
| ITF M15 Lakewood | 2023/07/11 17:00 | Stefan Menichella v Keenan Mayo | 6-3,6-4 |
| Challenger Medellin | 2023/06/26 23:30 | Tristan McCormick v Keenan Mayo | 6-3,3-6,6-3 |
| Challenger Medellin | 2023/06/26 20:35 | Keenan Mayo v Joao Victor C Loureiro | 6-4,6-4 |
| UTR Pro California | 2023/03/05 18:00 | Maciej Rajski v Keenan Mayo | 6-3,6-2 |
| UTR Pro California | 2023/03/05 00:00 | Evan Wen v Keenan Mayo | 4-6,2-5 |
| UTR Pro California | 2023/09/26 01:00 | Tygen Goldammer v Justin Chung | 4-6,4-6 |