| UTR Pro Tennis Series California | 2021/02/18 17:30 | Keenan Mayo v Aidan Mayo | 7-5,3-6,5-7 |
| UTR Pro Tennis Series California | 2021/08/29 19:50 | Maximilian Wild v Keenan Mayo | 6-7,0-5 |
| UTR Pro Tennis Series California | 2021/08/24 21:30 | Keenan Mayo v Warren Wood | 0-6,3-6 |
| UTR Pro Tennis Series California | 2021/08/23 23:15 | Keenan Mayo v Perez, Alfredo | 3-6,1-6 |
| UTR Pro Tennis Series California | 2021/08/22 16:30 | Colin Markes v Keenan Mayo | 6-1,0-6,5-4 |
| ITF - M15 Monastir | 2021/06/28 13:00 | Gregg, Perry v Keenan Mayo | 6-3,6-7,10-6 |
| ITF - M15 Monastir | 2021/06/28 08:00 | Lalami Laaroussi, Younes v Keenan Mayo | 4-6,3-6 |
| ITF - M15 Monastir | 2021/06/27 10:30 | Stone, Zakai v Keenan Mayo | 3-6,2-6 |
| ITF - M15 Monastir | 2021/06/20 12:00 | Keenan Mayo v Cash, Julian | 2-6,7-6,6-10 |
| UTR Pro Tennis Series California | 2021/08/29 21:30 | Aidan Mayo v Ryan Nuno | 6-2,6-3 |
| ITF - M15 Monastir | 2021/06/24 08:30 | Imanol L Morillo v Aidan Mayo | 6-3,6-3 |
| ITF - M15 Monastir | 2021/06/23 10:30 | Aidan Mayo v van Emburgh, Jake | 4-6,6-1,6-4 |
| ITF - M15 Monastir | 2021/06/21 12:30 | Aidan Mayo v de Maio, Mauro | 6-2,7-6 |
| ITF - M15 Monastir | 2021/06/21 08:00 | Aidan Mayo v Nicolas Bruna | 6-4,7-6 |
| ITF - M15 Monastir | 2021/06/17 12:00 | Aidan Mayo v Moez Echargui | 6-3,5-7,6-7 |
| ITF - M15 Monastir | 2021/06/16 08:30 | Nam, Ji Sung v Aidan Mayo | 6-4,3-6,2-6 |
| ITF - M15 Monastir | 2021/06/14 13:30 | Aidan Mayo v Weightman, Oscar | 6-2,4-6,10-7 |