Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| ITF M25 Canberra | 2023/03/24 01:30 | Dayne Kelly v Yuki Mochizuki | 3-6,4-6 |
| ITF M25 Canberra | 2023/03/23 22:30 | Dayne Kelly v Charlie Camus | 6-0,6-1 |
| ITF M25 Canberra | 2023/03/21 23:00 | Dayne Kelly v Shinnosuke Hiramatsu | 6-3,7-6 |
| ITF M25 Canberra | 2023/03/17 00:55 | Dayne Kelly v Marc Polmans | 5-7,3-6 |
| ITF M25 Canberra | 2023/03/15 23:00 | Dayne Kelly v Naoki Tajima | 6-1,6-2 |
| ITF M25 Canberra | 2023/03/14 23:00 | Dayne Kelly v Jake Delaney | 6-4,6-1 |
| Challenger Pune | 2023/02/27 05:30 | Nikola Milojevic v Dayne Kelly | 7-6,6-4 |
| Challenger Pune | 2023/02/26 08:55 | Sidharth Rawat v Dayne Kelly | 3-6,2-6 |
| 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 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 |