Stadium: Court 9 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Hong Kong | 2023/09/09 10:00 | Kazuki Nishiwaki v Coleman Wong | 2-6,7-5,8-10 |
| ITF M25 Hong Kong | 2023/09/07 07:00 | Jie Cui v Kazuki Nishiwaki | 5-7,4-6 |
| ITF M25 Hong Kong | 2023/09/06 02:00 | Collin Altamirano v Kazuki Nishiwaki | 3-6,5-7 |
| 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 Sapporo | 2023/09/06 03:40 | Taki Adachi v Shunsuke Wakita | 5-7,0-6 |
| ITF M25 Changwon | 2023/06/12 01:00 | Hyun Woo Cho v Taki Adachi | 6-2,6-4 |
| ITF M25 Changwon | 2023/06/11 04:25 | Hangyeom Kim v Taki Adachi | 4-6,6-7 |
| ITF M15 Karuizawa | 2023/05/30 02:00 | Toru Horie v Taki Adachi | 6-2,6-1 |
| ITF M15 Singapore | 2023/04/03 10:05 | Corban Crowther v Taki Adachi | 6-0,6-3 |
| ITF M15 Singapore | 2023/04/02 02:00 | Julien Tremolieres v Taki Adachi | 1-6,0-6 |
| ITF M25 Tsukuba | 2023/03/27 00:30 | Koki Matsuda v Taki Adachi | 6-3,6-1 |
| ITF M25 Sapporo | 2022/09/08 03:15 | Shuichi Sekiguchi v Taki Adachi | 6-3,6-0 |