Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M15 - Arequipa | 2023/08/11 23:30 | Alvaro G Meza v Ignacio A B Otarola | 6-0,6-2 |
| ITF M15 - Arequipa | 2023/08/10 15:55 | Arklon H D Pino v Ignacio A B Otarola | 6-2,4-6,2-6 |
| ITF M15 - Arequipa | 2023/08/09 14:30 | Ignacio A B Otarola v Gianluca Ballotta | 6-4,6-1 |
| ITF M15 - Arequipa | 2023/08/08 14:30 | Ignacio A B Otarola v Luis Jose Nakamine | 7-6,6-1 |
| ITF M25 - Rosario | 2023/06/30 14:55 | Alejo Lorenzo Lingua Lavallen v Ignacio A B Otarola | 7-6,6-1 |
| ITF M25 - Rosario | 2023/06/29 13:00 | Oscar Gabriel Ortiz v Ignacio A B Otarola | 6-7,5-7 |
| ITF M25 - Rosario | 2023/06/27 14:10 | Ignacio A B Otarola v Fermin Tenti | 6-3,7-5 |
| ITF M15 - Santo Domingo | 2023/06/22 14:55 | Ignacio A B Otarola v Liam Draxl | 5-7,0-6 |
| Challenger Santo Domingo | 2023/08/06 17:00 | Preston Brown v Justin Roberts | 6-7,4-6 |
| ITF M15 - Pittsburgh | 2023/07/26 14:00 | A.J Catanzariti v Preston Brown | 6-3,6-4 |
| ITF M15 - Rochester | 2023/07/20 17:00 | Preston Brown v A.J Catanzariti | 1-6,6-3,3-6 |
| ITF M15 - Rochester | 2023/07/18 22:30 | Herbert Jody Maginley v Preston Brown | 0-6,2-6 |
| ITF M25 - Laval | 2023/07/13 16:00 | Preston Brown v Alexander Cozbinov | 2-6,1-6 |
| ITF M25 - Laval | 2023/07/11 14:15 | Preston Brown v Justin Roberts | 6-3,7-6 |
| Challenger Santa Fe | 2023/07/03 16:25 | Pedro Boscardin Dias v Preston Brown | 7-6,6-3 |
| Challenger Medellin | 2023/06/26 21:30 | Aidan Mayo v Preston Brown | 7-5,6-3 |