| UTR Pro Tennis Series Atlanta | 2021/04/14 18:30 | McClain Kessler v Ronan Jachuck | 3-6,4-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/13 14:30 | McClain Kessler v Drew Van Orderlain | 6-4,5-1 |
| UTR Pro Tennis Series Atlanta | 2021/04/12 17:00 | Evan Bynoe v McClain Kessler | 3-6,6-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/10 15:30 | Alexis Gurmendi v McClain Kessler | 6-3,2-6,6-2 |
| UTR Pro Tennis Series Atlanta | 2021/04/09 14:00 | Adit Sinha v McClain Kessler | 4-6,3-5 |
| UTR Pro Tennis Series Atlanta | 2021/04/08 12:30 | Ryan Shane v McClain Kessler | 6-2,5-3 |
| UTR Pro Tennis Series Atlanta | 2021/04/07 18:00 | Aditya Vashistha v McClain Kessler | 4-6,6-2,4-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/05 14:00 | Valentino Raul Caratini v McClain Kessler | 1-6,6-3,6-2 |
| UTR Pro Tennis Series Atlanta | 2021/04/15 16:30 | Drew Van Orderlain v Matthias Haim | 5-7,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/04/13 14:00 | Evan Bynoe v Matthias Haim | 3-6,6-7 |
| ITF Germany F16 | 2018/10/24 10:00 | Matthias Haim v Arthur Reymond | 3-6,4-6 |
| ITF Germany F16 | 2018/10/23 15:20 | Matthias Haim v Bastien Presuhn | 7-6,7-6 |
| ITF Italy F31 | 2018/10/11 13:30 | Matthias Haim v Wilson Leite | 4-6,3-6 |
| ITF Italy F30 | 2018/10/02 12:00 | Walter Trusendi v Matthias Haim | 6-3,7-5 |
| ITF Switzerland F5 | 2018/09/03 14:10 | Matthias Haim v Patrik Niklas-Salminen | 2-6,1-6 |
| ITF Germany F13 | 2018/08/24 11:10 | Peter Heller v Matthias Haim | 1-6,6-3,7-6 |