| UTR Pro Tennis Series - California | 2021/02/19 16:00 | Joshua Ortlip v Jonas Maier | 6-7,6-2,5-4 |
| UTR Pro Tennis Series - California | 2021/02/18 20:30 | Alexander Sarkissian v Jonas Maier | 6-3,6-4 |
| UTR Pro Tennis Series - California | 2021/02/16 21:30 | Aaron Bailey v Jonas Maier | 6-3,6-4 |
| UTR Pro Tennis Series - California | 2021/02/15 16:00 | Jonas Maier v Kalman Boyd | 6-2,5-0 |
| ITF M25 Fayetteville | 2020/11/02 20:30 | Jonas Maier v Kiranpal Pannu | 3-6,4-6 |
| UTR Pro Tennis Series - California | 2020/09/25 16:30 | Jonas Maier v Jurabek Karimov | 6-0,6-2 |
| UTR Pro Tennis Series - California | 2020/09/24 19:25 | Jonas Maier v Toby D. Boyer | 6-3,3-6,10-8 |
| UTR Pro Tennis Series - California | 2020/09/23 15:00 | Martin Redlicki v Jonas Maier | 7-5,6-4 |
| 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 | 2021/02/17 18:00 | Keenan Mayo v Connor Farren | 1-6,3-5 |
| UTR Pro Tennis Series - California | 2021/02/16 22:00 | Keenan Mayo v Gage Brymer | 2-6,4-6 |
| UTR Pro Tennis Series - California | 2021/02/15 19:00 | Keenan Mayo v Alex Michelsen | 7-5,6-5 |
| UTR Pro Tennis Series - California | 2021/02/10 18:00 | Keenan Mayo v Samuel Sippel | 6-7,3-6 |
| UTR Pro Tennis Series - California | 2021/02/09 16:00 | Keenan Mayo v Murphy Cassone | 2-6,3-6 |
| UTR Pro Tennis Series - California | 2021/02/08 20:00 | Alexander Lebedev v Keenan Mayo | 3-6,6-2,6-1 |
| ITF M15 East Lansing | 2019/11/20 17:45 | Strong Kirchheimer v Keenan Mayo | 6-3,6-3 |