Stadium: Court 2 Round: 27 Ground: Clay
| ITF M15 Anning | 2019/01/10 03:00 | Taisei Ichikawa v Kazuki Nishiwaki | 5-7,3-6 |
| ITF M25 Tainan | 2023/08/17 02:00 | Taisei Ichikawa v Lucio Carnevalle | 6-4,6-4 |
| ITF M25 Tainan | 2023/08/15 03:00 | Taisei Ichikawa v Atharva Sharma | 6-3,6-1 |
| ITF M15 Nakhon Si Thammarat | 2023/07/16 02:00 | Taisei Ichikawa v Jeamoon Lee | 4-6,1-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/15 02:00 | Sidharth Rawat v Taisei Ichikawa | 6-3,6-7,2-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/14 03:50 | Pawit Sornlaksup v Taisei Ichikawa | 3-6,4-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/13 03:45 | Taisei Ichikawa v Siwanat Auytayakul | 7-5,7-5 |
| ITF M15 Nakhon Si Thammarat | 2023/07/11 02:00 | Taisei Ichikawa v Pruchya Isarow | 6-2,6-7,7-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/06 03:00 | Shuichi Sekiguchi v Taisei Ichikawa | 6-2,6-2 |
| ITF M25 Tainan | 2023/08/17 02:00 | Cheng-Yu Yu v Kazuki Nishiwaki | 5-7,3-6 |
| ITF M25 Tainan | 2023/08/16 04:40 | Kazuki Nishiwaki v Digvijay Pratap Singh | 6-7,6-4,6-3 |
| ITF M15 Caloundra | 2023/08/03 03:10 | Isaac Becroft v Kazuki Nishiwaki | 7-6,6-3 |
| ITF M15 Caloundra | 2023/08/01 03:40 | Kazuki Nishiwaki v Ryotaro Matsumura | 6-3,3-6,6-3 |
| ITF M15 Caloundra | 2023/07/25 04:05 | Daisuke Sumizawa v Kazuki Nishiwaki | 6-1,6-2 |
| 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 |