Stadium: Court 1 Round: 62 Ground: Clay
| ITF M15 Pittsburgh | 2023/07/26 14:00 | A.J Catanzariti v Preston Brown | 6-3,6-4 |
| ITF M15 Rochester | 2023/07/22 16:00 | Ignacio Monzon v A.J Catanzariti | 7-6,6-7,6-1 |
| ITF M15 Rochester | 2023/07/21 19:00 | Nicholas Heng v A.J Catanzariti | 3-6,4-6 |
| 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 Uslar | 2023/07/20 09:30 | Illya Beloborodko v Jeremy Schifris | 3-6,5-7 |
| ITF M15 Uslar | 2023/07/19 14:45 | Juan Pablo Paz v Illya Beloborodko | 3-6,4-6 |
| ITF M25 Marburg | 2023/07/05 10:30 | Illya Beloborodko v Mika Lipp | 3-6,3-6 |
| ITF M15 Kamen | 2023/06/27 09:55 | Tom Gentzsch v Illya Beloborodko | 6-3,6-4 |
| ITF M15 Nyiregyhaza | 2023/06/07 11:00 | Jiri Barnat v Illya Beloborodko | 7-6,6-4 |
| ITF M25 Prague | 2023/05/17 12:25 | Illya Beloborodko v Henri Squire | 3-6,3-6 |
| ITF M25 Prague | 2023/05/16 07:55 | Illya Beloborodko v Filip Apltauer | 2-6,6-3,6-10 |
| ITF M25 Prague | 2023/05/15 11:00 | Illya Beloborodko v Stepan Pecak | 6-2,7-6 |