Stadium: Court 5 Round: 54 Ground: Hardcourt indoor
| ITF M15 Cancun | 2021/09/26 17:00 | Alex Jones v Maier, Jonas | 6-1,6-2 |
| ITF M15 Cancun | 2021/09/23 19:15 | Maier, Jonas v Osgar O'Hoisin | 6-3,4-6,4-6 |
| ITF M15 Cancun | 2021/09/22 18:10 | Wishaya Trongcharoenchaikul v Maier, Jonas | 1-6,3-6 |
| ITF M15 Cancun | 2021/09/21 14:00 | Maier, Jonas v Samuel Sanchez | 6-3,6-1 |
| UTR Pro Tennis Series California | 2021/08/25 21:30 | Maier, Jonas v Gianluca Brunkow | 5-7,2-6 |
| UTR Pro Tennis Series California | 2021/08/24 21:00 | Maier, Jonas v Gomez, Lucas | 2-6,3-6 |
| UTR Pro Tennis Series California | 2021/08/23 15:00 | Sah, Timothy v Maier, Jonas | 4-6,6-1,6-3 |
| ITF M15 Gdynia | 2021/08/08 08:30 | Maier, Jonas v Pawlak, Piotr | 4-6,1-6 |
| ITF M25 Bolzano | 2021/08/02 10:45 | Di Nocera, Riccardo v Bernardi, Mattia | 6-2,6-1 |
| ITF - M25 Trente | 2020/02/26 10:30 | Raul Brancaccio v Bernardi, Mattia | 6-2,6-1 |
| ITF - M15 Bressuire | 2020/01/19 10:00 | Dragoni, Alessandro v Bernardi, Mattia | 6-1,6-3 |
| ITF M25 Bolzano | 2019/07/29 09:30 | Bernardi, Mattia v Di Nocera, Riccardo | 1-6,4-6 |
| ITF - M25 Trente | 2019/02/27 12:10 | Bernardi, Mattia v Jahn, Jeremy | 2-6,0-6 |
| ITF Italy F22 | 2018/08/05 11:55 | Bernardi, Mattia v Trocker, Moritz | 4-6,0-6 |
| ITF Italy F22 Qual | 2018/08/04 10:05 | Peruffo, Giovanni v Bernardi, Mattia | 5-7,4-6 |
| ITF Italy F21 Qual | 2018/07/28 11:05 | Bernardi, Mattia v Gabriele Bosio | 2-6,1-6 |