| UTR Pro Florida | 12/15 15:30 | - | Will Mayew v Grant Lothringer | 6-4,6-1 | |
| UTR Pro Florida | 12/12 18:00 | - | William Nolan v Grant Lothringer | 7-6,3-6,4-6 | |
| UTR Pro Florida | 12/11 17:35 | - | Grant Lothringer v Victor Lilov | 4-6,3-6 | |
| UTR Pro Florida | 12/10 17:55 | - | Grant Lothringer v Stephan Gershfeld | 7-6,2-6,6-3 | |
| UTR Pro Texas | 11/16 22:46 | - | Grant Lothringer v Cassius Chinlund | 3-6,6-4,4-6 | |
| UTR Pro Texas | 11/15 17:00 | - | Grant Lothringer v Matthis Ross | 6-7,4-6 | |
| UTR Pro Texas | 11/13 21:19 | - | Grant Lothringer v Liam Krall | 6-4,6-1 | |
| UTR Pro Texas | 11/13 00:00 | - | Kurt Miller v Grant Lothringer | 1-6,1-6 | |
| ITF M25 Austin | 11/06 16:00 | 44 | Tadeas Paroulek v Grant Lothringer | 6-1,6-2 | |
| ITF M25 Austin | 11/05 16:00 | 44 | Grant Lothringer v Francisco Oliveira | 7-6,6-1 | |
| ITF M25 Harlingen | 10/24 13:55 | 54 | Ivan Marrero Curbelo v Grant Lothringer | 6-1,6-2 | |
| UTR Pro Texas | 10/15 14:00 | - | Grant Lothringer v Charly Zick | 6-1,7-5 | |
| UTR Pro Texas | 10/14 19:22 | - | Grant Lothringer v Nikola Parichkov | 6-0,1-0 | |
| UTR Pro Texas | 10/12 21:01 | - | Grant Lothringer v Meethre Barot | 6-3,6-1 | |
| UTR Pro Texas | 10/11 23:36 | - | Grant Lothringer v Luke Casper | 1-6,6-7 | |
| UTR Pro Texas | 10/11 00:33 | - | Grant Lothringer v Giulio Perego | 4-6,3-6 | |
| UTR Pro Texas | 10/09 22:30 | - | Grant Lothringer v Osgar O'Hoisin | 4-6,2-5 | |
| UTR Pro Texas | 08/23 00:30 | - | Grant Lothringer v Matthis Ross | 1-6,3-6 | |
| UTR Pro Texas | 08/21 15:00 | - | Grant Lothringer v Jaycer Lyeons | 2-6,4-6 | |
| UTR Pro Texas | 08/18 23:00 | - | Lucas Brown v Grant Lothringer | 6-3,5-4 | |
| UTR Pro Texas | 08/18 00:50 | - | Matthis Ross v Grant Lothringer | 6-3,6-3 | |
| UTR Pro Texas | 08/17 01:30 | - | Kabeer Kapasi v Grant Lothringer | 6-4,3-6,4-6 | |
| UTR Pro Texas | 08/14 23:00 | - | Jerry Barton v Grant Lothringer | 6-2,6-3 | |
| UTR Pro California | 02/12 00:00 | - | Niels Hoffmann v Grant Lothringer | 6-4,5-2 | |
| UTR Pro California | 02/11 00:15 | - | Lucas Brown v Grant Lothringer | 6-2,6-2 | |
| UTR Pro California | 02/09 22:58 | - | Caden Hasler v Grant Lothringer | 5-7,3-5 | |
| UTR Pro California | 02/08 01:00 | - | Sasha Rozin v Grant Lothringer | 6-3,4-6,1-6 | |
| UTR Pro California | 02/06 21:32 | - | Grant Lothringer v Alex Fuchs | 6-7,3-6 | |
| UTR Pro Tennis Series Texas | 11/20 18:30 | - | Maxwell Smith v Grant Lothringer | 3-6,0-1 | |
| UTR Pro Tennis Series Texas | 11/19 21:00 | - | Grant Lothringer v Alexander Aney | 6-2,5-7,6-4 |