Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| 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 |
| ITF M15 Singapore | 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 M25 Jakarta - selejtezők | 2023/04/16 06:00 | Jiayang Dong v Yuta Kawahashi | 1-6,2-6 |
| ITF M15 Antalya | 2023/04/11 10:05 | Juan Manuel La Serna v Yuta Kawahashi | 6-2,6-2 |
| ITF M15 Antalya | 2023/04/11 06:30 | Yuta Kawahashi v Maik Steiner | 6-3,2-6,10-6 |
| ITF M15 Antalya | 2023/04/09 06:30 | Kaya Arinc v Yuta Kawahashi | 2-6,3-6 |
| ITF M15 Antalya | 2023/04/03 11:50 | Noel Larwig v Yuta Kawahashi | 6-3,6-0 |
| ITF M15 Antalya | 2023/04/02 07:00 | Jacob Kahoun v Yuta Kawahashi | 3-6,1-6 |
| ITF M15 Aktobe | 2023/03/06 12:10 | Yuta Kawahashi v Mikhail Fufygin | 6-4,3-6,7-10 |
| ITF M15 Aktobe | 2023/03/01 06:50 | Yuta Kawahashi v David Perez Sanz | 1-6,1-6 |