Stadium: Court 10 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Hong Kong Qual | 2023/09/03 02:00 | Collin Altamirano v Ching Ho Sunny Yue | 6-0,6-2 |
| ITF M25 Hong Kong | 2023/08/31 04:50 | Collin Altamirano v Ajeet Rai | 3-6,3-6 |
| ITF M25 Hong Kong | 2023/08/29 04:05 | Nathan Anthony Barki v Collin Altamirano | 2-6,6-4,2-6 |
| ITF M25 Hong Kong | 2023/08/28 03:25 | Collin Altamirano v Zhao Zhao | 6-2,6-2 |
| ITF M25 Hong Kong | 2023/08/27 04:00 | Collin Altamirano v Chun-Ming Yam | 6-1,6-1 |
| ITF M15 Nakhon Si Thammarat | 2023/08/25 03:55 | Collin Altamirano v Palaphoom Kovapitukted | 3-6,7-5,4-6 |
| ITF M15 Nakhon Si Thammarat | 2023/08/24 05:35 | Siddhant Banthia v Collin Altamirano | 5-7,2-6 |
| ITF M15 Nakhon Si Thammarat | 2023/08/23 05:40 | Taiyo Yamanaka v Collin Altamirano | 6-3,1-6,4-6 |
| ITF M25 Hong Kong | 2023/08/28 02:00 | Blake Mott v Ren Nakamura | 6-3,4-6,10-7 |
| ITF M25 Hong Kong | 2023/08/27 02:30 | Ren Nakamura v Rohan Mehra | 6-3,6-3 |
| ITF M25 Tainan | 2023/08/21 04:05 | Jesse Delaney v Ren Nakamura | 6-2,6-3 |
| ITF M25 Tainan | 2023/08/20 05:30 | Ian Turner v Ren Nakamura | 1-6,1-6 |
| ITF M15 Jakarta | 2023/06/18 05:00 | Mason Naumovski v Ren Nakamura | 6-3,6-3 |
| ITF M15 Jakarta | 2023/06/11 04:00 | Ren Nakamura v Ying-Ze Chen | 5-7,4-6 |
| ITF M15 Karuizawa | 2023/05/31 01:00 | Yuichiro Inui v Ren Nakamura | 6-1,3-6,6-4 |
| ITF M15 Karuizawa | 2023/05/30 02:15 | Yua Taka v Ren Nakamura | 6-0,7-5 |