| UTR Pro Tennis Series Atlanta | 2021/07/16 17:00 | Keshav Chopra v Lukas Greif | 6-3,6-1 |
| UTR Pro Tennis Series Atlanta | 2021/07/15 19:30 | Lukas Greif v Aidan Kim | 3-6,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/13 19:30 | Lukas Greif v Alan Sau Franco | 6-4,6-2 |
| UTR Pro Tennis Series Atlanta | 2021/07/12 13:30 | Lukas Greif v Cleeve Harper | 7-6,5-7,3-5 |
| ITF M25 Weston | 2021/06/29 21:00 | Cleeve Harper v Lukas Greif | 7-5,5-7,10-6 |
| ITF M25 Houston | 2019/09/21 01:00 | Lukas Greif v Austin Rapp | 3-6,3-6 |
| ITF M25 Houston | 2019/09/20 00:00 | Harrison Adams v Lukas Greif | 3-6,3-6 |
| ITF M25 Houston | 2019/09/19 00:00 | Lukas Greif v Edoardo Graziani | 6-4,7-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/11 18:30 | Valentino Raul Caratini v Henry Lieberman | 2-6,1-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/10 13:30 | Henry Lieberman v Jacob Bickersteth | 6-7,2-5 |
| UTR Pro Tennis Series Atlanta | 2021/07/08 13:30 | Juan Pablo Cenoz v Henry Lieberman | 2-6,6-7 |
| UTR Pro Tennis Series Atlanta | 2021/07/07 21:10 | Gavin Young v Henry Lieberman | 6-3,5-2 |
| UTR Pro Tennis Series Atlanta | 2021/07/06 15:00 | Thomas Paulsell v Henry Lieberman | 7-6,6-7,6-3 |
| UTR Pro Tennis Series Atlanta | 2021/07/05 13:30 | Julien Evrard v Henry Lieberman | 6-7,3-6 |
| UTR Pro Tennis Series Atlanta | 2021/07/04 12:00 | Coy Simon v Henry Lieberman | 7-5,4-6,2-6 |