| UTR Pro Tennis Series Texas | 2021/09/24 17:30 | Grant Lothringer v Matthis Ross | 4-6,1-5 |
| UTR Pro California | 2023/02/12 00:00 | Niels Hoffmann v Grant Lothringer | 6-4,5-2 |
| UTR Pro California | 2023/02/11 00:15 | Lucas Brown v Grant Lothringer | 6-2,6-2 |
| UTR Pro California | 2023/02/09 22:58 | Caden Hasler v Grant Lothringer | 5-7,3-5 |
| UTR Pro California | 2023/02/08 01:00 | Alexander Rozin v Grant Lothringer | 6-3,4-6,1-6 |
| UTR Pro California | 2023/02/06 21:32 | Grant Lothringer v Alex Fuchs | 6-7,3-6 |
| UTR Pro Tennis Series Texas | 2022/11/20 18:30 | Maxwell Smith v Grant Lothringer | 3-6,0-1 |
| UTR Pro Tennis Series Texas | 2022/11/19 21:00 | Grant Lothringer v Alexander Aney | 6-2,5-7,6-4 |
| UTR Pro Tennis Series Texas | 2022/11/18 23:00 | Grant Lothringer v Alexander Visser | 6-7,5-7 |
| ITF M25 Roehampton | 2023/07/31 11:10 | Kalman Boyd v Matthis Ross | 7-5,6-0 |
| ITF M25 Roehampton | 2023/07/30 09:00 | Nicholas Jovanovski v Matthis Ross | 1-6,0-6 |
| UTR Pro Florida | 2023/07/09 12:56 | Matija Pecotic v Matthis Ross | 6-2,6-1 |
| UTR Pro Florida | 2023/07/08 13:30 | Matthis Ross v Raul Dobai | 4-6,6-2,0-0 |
| UTR Pro Florida | 2023/07/07 12:00 | Jeffrey Fradkin v Matthis Ross | 2-6,6-2,3-5 |
| UTR Pro Florida | 2023/07/05 18:00 | Dante Russo v Matthis Ross | 2-6,4-6 |
| UTR Pro Florida | 2023/07/04 14:16 | Sylvestre Monnou v Matthis Ross | 5-7,2-5 |
| UTR Pro Florida | 2023/07/03 18:42 | Juan Sebastian Osorio v Matthis Ross | 6-3,4-6,3-6 |