Stadium: Court S-2 Round: 27 Ground: Clay
| ITF M15 Rochester | 2023/07/20 19:20 | Juan Carlos Aguilar v Nicholas Heng | 3-6,4-6 |
| ITF M15 Rochester | 2023/07/19 23:45 | Huzaifa Abdul Rehman v Nicholas Heng | 4-6,2-6 |
| ITF M15 Rochester | 2023/07/18 22:30 | John Bernard v Nicholas Heng | 3-6,3-6 |
| ITF M25 Dallas | 2023/07/11 17:35 | Jake Van Emburgh v Nicholas Heng | 2-6,6-2,10-5 |
| UTR Pro Florida | 2023/06/24 14:30 | Dimitri Badra v Nicholas Heng | 3-6,6-1,6-2 |
| UTR Pro Florida | 2023/06/23 13:00 | Nicholas Heng v Teddy Truwit | 6-3,6-2 |
| UTR Pro Florida | 2023/06/21 13:30 | Nicholas Heng v JC Roddick | 7-6,6-0 |
| UTR Pro Florida | 2023/06/20 16:53 | Nicholas Heng v Gabriel Hurtado | 1-6,7-5,7-5 |
| ITF M15 Rochester | 2023/07/20 17:00 | Preston Brown v A.J Catanzariti | 1-6,6-3,3-6 |
| ITF M15 Rochester | 2023/07/19 19:55 | Connor Krug v A.J Catanzariti | 5-7,5-7 |
| ITF M15 South Bend | 2023/06/21 15:00 | A.J Catanzariti v Herbert Jody Maginley | 6-7,6-7 |
| ITF M15 San Diego | 2023/06/15 18:35 | Quinn Vandecasteele v A.J Catanzariti | 7-6,6-3 |
| ITF M15 San Diego | 2023/06/13 21:00 | A.J Catanzariti v Joshua Sheehy | 3-6,7-5,6-4 |
| ITF M15 San Diego | 2023/06/06 18:30 | Jaimee Floyd Angele v A.J Catanzariti | 6-1,6-1 |
| ITF M15 Huntsville | 2023/05/23 17:00 | A.J Catanzariti v Lorenzo Esquici | 1-6,2-6 |
| ITF M15 Tacarigua | 2023/04/27 18:00 | Ezekiel Clark v A.J Catanzariti | 7-5,6-4 |