| ITF M15 Tbilisi | 2021/05/17 05:30 | Keenan Mayo v Nikoloz Davlianidze | 6-7,6-4,10-5 |
| ITF M15 Jerusalem | 2021/05/12 09:35 | Keenan Mayo v Alexander Cozbinov | 2-6,6-4,2-6 |
| ITF M15 Jerusalem | 2021/05/11 06:30 | Keenan Mayo v Omer Yeshaya | 7-6,6-4 |
| ITF M15 Jerusalem | 2021/05/10 11:00 | Keenan Mayo v Ron Ellouck | 6-1,1-6,10-7 |
| ITF M15 Jerusalem | 2021/05/09 08:30 | Keenan Mayo v Mark Neyelov | 6-1,6-1 |
| ITF M15 Ramat Hasharon | 2021/05/03 07:00 | Keenan Mayo v Christophe Clement | 3-6,3-6 |
| ITF M15 Ramat Hasharon | 2021/05/02 07:00 | Keenan Mayo v Tom Saporta | 6-3,6-3 |
| UTR Pro Tennis Series California | 2021/02/21 16:00 | Keenan Mayo v Spencer Johnson | 2-6,6-3,6-4 |