Stadium: Court C1 Round: 54 Ground: Hardcourt outdoor
| UTR Pro Tennis Series Miki | 2022/07/15 02:00 | Toru Horie v Kazuki Nishiwaki | 3-6,3-5 |
| ITF M15 Aktobe | 2023/03/10 06:00 | Aliaksandr Liaonenka v Kazuki Nishiwaki | 7-5,6-0 |
| ITF M15 Aktobe | 2023/03/09 06:35 | Kazuki Nishiwaki v Islam Orynbasar | 7-6,7-6 |
| ITF M15 Aktobe | 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 Monastir | 2023/02/19 11:00 | Kazuki Nishiwaki v Nicolas Philibert | 5-7,6-0,11-9 |
| ITF M25 Monastir | 2023/02/15 10:35 | Kazuki Nishiwaki v Amr Asrawy | 5-7,4-6 |
| ITF M25 Monastir | 2023/02/13 14:00 | Bingyu Yu v Kazuki Nishiwaki | 0-6,1-6 |
| ITF M25 Monastir | 2023/02/13 10:00 | Sevan Bottari v Kazuki Nishiwaki | 2-6,2-6 |
| ITF M25 Tsukuba | 2023/03/27 00:30 | Toru Horie v Taketo Takamisawa | 4-6,6-3,10-4 |
| UTR Pro Tennis Series Miki | 2022/07/15 02:00 | Toru Horie v Kazuki Nishiwaki | 3-6,3-5 |
| UTR Pro Tennis Series Miki | 2022/07/13 00:30 | Toru Horie v Daisuke Inagawa | 6-1,6-3 |
| ITF M15 Sharm El Sheikh | 2021/11/15 09:00 | Toru Horie v Roland Stuurman | 6-7,3-6 |
| ITF M15 Sharm El Sheikh | 2021/11/14 08:00 | Noel Larwig v Toru Horie | 4-6,4-6 |
| ITF M15 Sharm El Sheikh | 2021/11/07 10:30 | Daniel Little v Toru Horie | 7-6,6-2 |
| ITF M15 Sharm El Sheikh | 2021/11/01 09:00 | Saba Purtseladze v Toru Horie | 6-2,3-6,10-4 |
| ITF M15 Sharm El Sheikh | 2021/10/31 13:30 | Louis Allen v Toru Horie | 0-6,6-7 |