Stadium: Court 9 Round: 54 Ground: Hardcourt outdoor
| ITF M15 San Diego | 2024/05/27 19:00 | Semen Pankin v Nicholas Heng | 6-2,6-4 |
| UTR Pro Florida | 2023/12/12 21:30 | Nicholas Heng v Alberto C Sanchez | 4-6,2-6 |
| UTR Pro Florida | 2023/12/11 17:00 | Dimitri Badra v Nicholas Heng | 6-4,7-5 |
| ITF M15 Winston-Salem | 2023/11/07 16:00 | Nicholas Heng v Martin Borisiouk | 4-6,4-6 |
| ITF M25 Southaven | 2023/08/08 17:00 | Nicholas Heng v Harry Rock | 4-6,2-6 |
| ITF M15 Pittsburgh | 2023/07/24 14:00 | Ryan Dickerson v Nicholas Heng | 6-3,6-3 |
| ITF M15 Rochester | 2023/07/21 19:00 | Nicholas Heng v A.J Catanzariti | 3-6,4-6 |
| ITF M15 Rochester | 2023/07/20 19:20 | Juan Carlos Aguilar v Nicholas Heng | 3-6,4-6 |
| ITF M15 San Diego | 2024/05/28 16:00 | Braden Shick v Karl Kazuma Lee | 6-1,6-1 |
| ITF M15 San Diego | 2024/05/27 19:00 | Ali Amiri v Karl Kazuma Lee | 1-6,3-6 |
| ITF M15 Lakewood | 2023/07/14 19:25 | Karl Kazuma Lee v Stefan Dostanic | 1-6,2-6 |
| ITF M15 Lakewood | 2023/07/13 17:00 | Stefan Menichella v Karl Kazuma Lee | 6-7,3-6 |
| ITF M15 Lakewood | 2023/07/12 20:25 | Juan Sebastian Osorio v Karl Kazuma Lee | 2-6,4-6 |
| ITF M15 Lakewood | 2023/07/11 17:00 | Karl Kazuma Lee v Alex Jones | 6-4,6-2 |
| ITF M15 Lakewood | 2023/07/10 17:00 | Lui Maxted v Karl Kazuma Lee | 6-4,3-6,10-12 |
| ITF M15 Lakewood | 2023/07/07 17:00 | Jaimee Floyd Angele v Karl Kazuma Lee | 7-5,6-3 |