Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Changwon | 2023/06/15 01:00 | Naoki Tajima v Chan-Yeong Oh | 1-6,3-6 |
| ITF M25 Changwon | 2023/06/12 04:30 | Naoki Tajima v Hyun Woo Cho | 6-1,6-0 |
| ITF M25 Changwon | 2023/06/12 00:55 | Naoki Tajima v Seonghun Kim | 6-4,6-0 |
| ITF M25 Changwon | 2023/06/11 04:25 | Naoki Tajima v Je Won Jeon | 6-1,6-1 |
| ITF M15 Karuizawa | 2023/05/30 03:30 | Ryotaro Matsumura v Naoki Tajima | 3-6,6-1,6-4 |
| ITF M25 Jakarta | 2023/04/25 04:15 | Naoki Tajima v Credit Chaiyarin | 7-5,3-6,8-10 |
| ITF M25 Jakarta | 2023/04/24 06:30 | Naoki Tajima v Arsya Philo Wisyesa Putra Sjarifuddin | 6-0,6-0 |
| ITF M25 Jakarta | 2023/04/17 07:00 | Naoki Tajima v Andrew Rogers | 6-7,4-6 |
| ITF M25 Changwon | 2023/06/18 02:00 | Yuki Mochizuki v Sanhui Shin | 3-6,3-6 |
| ITF M25 Changwon | 2023/06/17 01:55 | Renta Tokuda v Yuki Mochizuki | 1-6,0-6 |
| ITF M25 Changwon | 2023/06/15 02:45 | Jungwoong Na v Yuki Mochizuki | 4-6,3-6 |
| ITF M25 Changwon | 2023/06/13 01:00 | Shunsuke Mitsui v Yuki Mochizuki | 4-6,2-6 |
| ITF M25 Daegu | 2023/06/09 01:00 | Yuki Mochizuki v Takuya Kumasaka | 7-6,4-6,2-6 |
| ITF M25 Daegu | 2023/06/08 00:55 | Yuki Mochizuki v Jae Hwan Kim | 7-6,6-3 |
| ITF M25 Daegu | 2023/06/06 06:05 | Yuki Mochizuki v Min Seong Kim | 6-4,6-4 |
| ITF M25 Jakarta | 2023/05/30 06:15 | Yuki Mochizuki v Kokoro Isomura | 6-2,5-7,4-6 |