Stadium: Court 13 Round: 25 Ground: Hardcourt outdoor
| ITF Singapore F2 | 2018/05/25 03:00 | Kazuki Nishiwaki v Collin Altamirano | 7-5,2-6,3-6 |
| 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 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 M25 Tainan | 2023/08/26 02:00 | Kazuki Nishiwaki v Rishab Agarwal | 5-7,3-6 |
| ITF M25 Tainan | 2023/08/25 02:00 | Kazuki Nishiwaki v Yamato Sueoka | 6-2,6-3 |
| ITF M25 Tainan | 2023/08/24 05:20 | Henrik Wiersholm v Kazuki Nishiwaki | 3-6,6-3,1-6 |
| ITF M25 Tainan | 2023/08/22 04:15 | Tzu Li Chang v Kazuki Nishiwaki | 1-6,3-6 |
| ITF M25 Tainan | 2023/08/19 02:00 | Makoto Ochi v Kazuki Nishiwaki | 6-2,7-6 |
| ITF M25 Tainan | 2023/08/17 02:00 | Cheng-Yu Yu v Kazuki Nishiwaki | 5-7,3-6 |
| ITF M25 Tainan | 2023/08/16 04:40 | Kazuki Nishiwaki v Digvijay Pratap Singh | 6-7,6-4,6-3 |
| ITF M15 Caloundra | 2023/08/03 03:10 | Isaac Becroft v Kazuki Nishiwaki | 7-6,6-3 |