Stadium: Snapdragon Stadium Round: 27 Ground: Hardcourt outdoor
| ITF M15 San Diego | 2024/06/06 18:00 | Alan F R Fierros v Sebastian Gorzny | 6-4,6-2 |
| ITF M15 San Diego | 2024/06/05 18:45 | Nathan Ponwith v Alan F R Fierros | 6-3,6-7,2-6 |
| ITF M15 San Diego | 2024/06/01 18:10 | Alan F R Fierros v Karue Sell | 6-3,2-6,4-6 |
| ITF M15 San Diego | 2024/05/31 17:30 | Alan F R Fierros v Noah Zamora | 6-2,3-6,6-1 |
| ITF M15 San Diego | 2024/05/30 17:35 | Alan F R Fierros v Aleksa Ciric | 7-6,6-4 |
| ITF M15 San Diego | 2024/05/29 15:55 | Alan F R Fierros v Kody Pearson | 6-1,6-2 |
| ITF M15 Villahermosa | 2024/05/12 00:45 | Alan F R Fierros v Ernesto Escobedo | 3-6,2-6 |
| ITF M15 Villahermosa | 2024/05/10 20:00 | Ricardo Rodriguez-Pace v Alan F R Fierros | 3-6,3-6 |
| ITF M15 San Diego | 2024/06/06 19:15 | Collin Altamirano v Jacob Brumm | 6-4,6-4 |
| ITF M15 San Diego | 2024/06/05 17:40 | Collin Altamirano v Derek Pham | 6-3,6-4 |
| ITF M15 San Diego | 2024/05/30 15:45 | Collin Altamirano v Nathan Ponwith | 4-6,6-1,4-6 |
| ITF M15 San Diego | 2024/05/29 19:25 | Collin Altamirano v Maxwell McKennon | 6-3,6-3 |
| UTR Pro Newport Beach | 2024/05/25 19:45 | Lui Maxted v Collin Altamirano | 7-5,2-6,6-1 |
| UTR Pro Newport Beach | 2024/05/24 23:45 | Collin Altamirano v Yassine Smiej | 3-6,6-1,6-2 |
| UTR Pro Newport Beach | 2024/05/23 19:30 | Collin Altamirano v Hiroki Sakagawa | 6-4,4-6,5-3 |
| UTR Pro Newport Beach | 2024/05/22 19:30 | Alex Knaff v Collin Altamirano | 5-7,7-6,4-6 |