Stadium: Center A Round: 25 Ground: Hardcourt outdoor
| ITF M25 Sapporo | 2023/09/11 03:20 | Yuta Tomida v Collin Altamirano | 3-6,5-7 |
| ITF M25 Hongkong | 2023/09/06 02:00 | Collin Altamirano v Kazuki Nishiwaki | 3-6,5-7 |
| ITF M25 Hong Kong Qual | 2023/09/04 02:00 | Collin Altamirano v Ren Nakamura | 6-4,6-1 |
| ITF M25 Hong Kong Qual | 2023/09/03 02:00 | Collin Altamirano v Ching Ho Sunny Yue | 6-0,6-2 |
| ITF M25 Hongkong | 2023/08/31 04:50 | Collin Altamirano v Ajeet Rai | 3-6,3-6 |
| ITF M25 Hongkong | 2023/08/29 04:05 | Nathan Anthony Barki v Collin Altamirano | 2-6,6-4,2-6 |
| ITF M25 Hongkong | 2023/08/28 03:25 | Collin Altamirano v Zhao Zhao | 6-2,6-2 |
| ITF M25 Hongkong | 2023/08/27 04:00 | Collin Altamirano v Chun-Ming Yam | 6-1,6-1 |
| Challenger Cary | 2023/08/08 22:15 | Tung-Lin Wu v Yuki Mochizuki | 4-6,6-3,6-2 |
| Challenger Cary | 2023/08/07 16:00 | Stefan Dostanic v Yuki Mochizuki | 3-6,6-3,6-1 |
| Challenger Cary | 2023/08/06 16:55 | Evan King v Yuki Mochizuki | 6-7,5-7 |
| Challenger Lexington | 2023/08/01 20:20 | Cannon Kingsley v Yuki Mochizuki | 6-4,4-6,6-3 |
| Challenger Lexington | 2023/07/31 15:40 | Yuki Mochizuki v Makoto Ochi | 6-4,6-2 |
| Challenger Lexington | 2023/07/30 17:40 | Yuki Mochizuki v Andre Ilagan | 6-4,7-6 |
| ITF M25 Edwardsville | 2023/07/28 00:00 | Yuki Mochizuki v Vito Tonejc | 7-6,4-6,2-6 |
| ITF M25 Edwardsville | 2023/07/26 15:30 | Yuki Mochizuki v Pierce Rollins | 6-2,6-1 |