Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Rochester | 2023/07/21 18:50 | Tyler Stice v Kousuke Ogura | 6-1,6-3 |
| ITF M15 Rochester | 2023/07/20 22:15 | Juan Sebastian Osorio v Kousuke Ogura | 3-6,1-6 |
| ITF M15 Lakewood | 2023/07/12 17:00 | Kousuke Ogura v Stefan Menichella | 6-4,6-7,2-6 |
| ITF M15 Irvine | 2023/06/28 17:00 | Kousuke Ogura v Lorenzo Claverie | 4-6,4-6 |
| ITF M15 Los Angeles | 2023/06/20 22:00 | Hudson Rivera v Kousuke Ogura | 6-3,6-4 |
| ITF M15 San Diego | 2023/06/14 16:50 | Kousuke Ogura v Lorenzo Claverie | 6-7,6-7 |
| ITF M15 San Diego | 2023/06/06 18:30 | Kousuke Ogura v Keegan Smith | 1-6,3-6 |
| ITF M15 Tabasco | 2023/05/23 16:00 | Kousuke Ogura v Andres Andrade | 4-6,5-7 |
| ITF M15 Jakarta | 2023/06/29 04:30 | S D Prajwal Dev v Kazuki Nishiwaki | 7-6,6-0 |
| ITF M15 Jakarta | 2023/06/28 05:30 | Kazuki Nishiwaki v Cihan Akay | 6-4,6-3 |
| ITF M25 Jakarta | 2023/04/25 02:00 | Kazuki Nishiwaki v Tsung-Hao Huang | 3-6,5-7 |
| ITF M25 Jakarta | 2023/04/17 06:25 | Kazuki Nishiwaki v Yuta Kawahashi | 4-6,4-6 |
| ITF M25 Jakarta | 2023/04/13 04:25 | Yuta Shimizu v Kazuki Nishiwaki | 6-2,6-4 |
| ITF M25 Jakarta | 2023/04/12 01:55 | Justin Barki v Kazuki Nishiwaki | 6-7,2-6 |
| ITF M25 Jakarta | 2023/04/11 04:00 | Kazuki Nishiwaki v Yan Bai | 2-6,7-6,10-6 |
| ITF M25 Jakarta | 2023/04/10 07:35 | Kazuki Nishiwaki v Ha Minh Duc Vu | 6-1,6-4 |