| Challenger Nottingham | 2021/06/06 10:00 | Nathaniel Lammons v Borna Gojo | 6-7,7-6,4-6 |
| Challenger Cherbourg | 2021/02/10 10:00 | Denis Istomin v Nathaniel Lammons | 6-3,5-7,6-4 |
| Challenger Cherbourg | 2021/02/08 10:00 | Vladyslav Orlov v Nathaniel Lammons | 4-6,4-6 |
| Challenger Cherbourg | 2021/02/07 11:00 | Nathaniel Lammons v Maxime Hamou | 6-2,6-3 |
| Challenger Cleveland | 2020/02/10 14:00 | Ruan Roelofse v Nathaniel Lammons | 6-4,6-4 |
| Challenger Savannah | 2019/04/29 14:00 | Ricardo Rodriguez-Pace v Nathaniel Lammons | 6-1,6-4 |
| Challenger Houston | 2018/11/10 22:00 | Julian Lenz v Nathaniel Lammons | 4-6,6-1,6-4 |
| Challenger Knoxville | 2018/11/05 17:30 | Denis Yevseyev v Nathaniel Lammons | 6-2,6-1 |
| UTR Pro Tennis Series California | 2021/07/22 18:00 | Nevin Arimilli v Colton Smith | 2-5 |
| UTR Pro Tennis Series California | 2021/07/21 18:00 | Nevin Arimilli v Julian Steinhausen | 7-6,4-6,1-6 |
| UTR Pro Tennis Series California | 2021/07/20 15:00 | Nevin Arimilli v Aidan Kim | 6-3,2-6,5-3 |
| UTR Pro Tennis Series California | 2021/07/18 22:47 | Karl Lee v Nevin Arimilli | 5-7,6-7 |
| UTR Pro Tennis Series California | 2021/07/18 15:00 | Jett Middleton v Nevin Arimilli | 7-5,7-5 |
| ITF M15 Austin | 2019/11/20 17:40 | Joshua Sheehy v Nevin Arimilli | 6-1,6-7,6-2 |
| ITF M15 Austin | 2019/11/19 16:00 | Nevin Arimilli v Chih Chi Huang | 3-6,6-3,11-9 |
| ITF M15 Austin | 2019/11/18 17:00 | Nevin Arimilli v Joao P Alcantara | 6-3,6-3 |