Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| ITF M15 Singapur | 2023/04/05 09:00 | Dayne Kelly v Kazuki Nishiwaki | 6-3,6-4 |
| ITF M25 Tsukuba | 2023/03/30 03:35 | Yusuke Takahashi v Kazuki Nishiwaki | 6-2,6-0 |
| ITF M25 Tsukuba | 2023/03/29 00:30 | Kazuki Nishiwaki v Yunseong Chung | 6-2,6-3 |
| ITF M25 Tsukuba | 2023/03/27 04:00 | Kazuki Nishiwaki v Toru Horie | 6-3,6-0 |
| ITF M15 Aktöbe | 2023/03/10 06:00 | Aliaksandr Liaonenka v Kazuki Nishiwaki | 7-5,6-0 |
| ITF M15 Aktöbe | 2023/03/09 06:35 | Kazuki Nishiwaki v Islam Orynbasar | 7-6,7-6 |
| ITF M15 Aktöbe | 2023/03/08 04:55 | Kazuki Nishiwaki v Maxim Zhukov | 6-3,7-6 |
| ITF M25 Monastir | 2023/02/20 09:50 | Kazuki Nishiwaki v Yannik Steinegger | 6-4,3-6,1-10 |
| ITF M25 Jakarta | 2023/04/09 03:00 | Ha Minh Duc Vu v Claudio Renardi Lumanau | 6-3,7-6 |
| ITF M15 Singapur | 2023/04/03 08:00 | Ha Minh Duc Vu v Natthasith Kunsuwan | 0-6,4-6 |
| ITF M15 Jakarta - kval | 2023/01/23 06:00 | Ha Minh Duc Vu v Mitsuki Wei Kang Leong | 4-6,0-6 |
| ITF M15 Jakarta - kval | 2023/01/22 05:35 | Krittin Koaykul v Ha Minh Duc Vu | 6-4,4-6,4-10 |
| ITF M15 Jakarta | 2023/01/18 03:00 | Ha Minh Duc Vu v Yunseok Jang | 1-6,2-6 |
| ITF M15 Jakarta | 2023/01/17 05:45 | Chien Hsun Lo v Ha Minh Duc Vu | 6-3,6-2 |
| ITF M15 Jakarta | 2023/01/16 03:50 | Ega Uneputty v Ha Minh Duc Vu | 6-7,1-6 |
| ITF M25 Jakarta | 2022/11/01 03:50 | Konstantin Kravchuk v Ha Minh Duc Vu | 6-3,6-1 |