| 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 |