Stadium: Court 4 Round: 26
| ITF M15 Anning | 2019/01/09 05:45 | Luca Castelnuovo v Taisei Ichikawa | 6-2,2-6,4-6 |
| ITF M15 Anning | 2019/01/03 02:00 | Ti Chen v Taisei Ichikawa | 6-2,3-6,6-3 |
| ITF M15 Anning | 2019/01/02 04:20 | Ye Cong Mo v Taisei Ichikawa | 2-6,4-6 |
| ITF Hong Kong F3 | 2018/12/24 02:00 | Issei Okamura v Taisei Ichikawa | 6-2,7-5 |
| ITF Hong Kong F3 | 2018/12/22 02:00 | Coleman Wong v Taisei Ichikawa | 2-6,3-6 |
| Challenger Kobe | 2018/11/11 04:40 | Taisei Ichikawa v Colin Sinclair | 4-6,4-6 |
| Challenger Kobe | 2018/11/10 05:15 | Takuto Niki v Taisei Ichikawa | 6-2,6-7,3-6 |
| ITF Japan F5 | 2018/04/06 01:00 | Zhe Li v Taisei Ichikawa | 6-2,7-6 |
| ITF M15 Anning | 2019/01/08 04:20 | Kazuki Nishiwaki v Tianjia Guo | 6-1,6-1 |
| ITF M15 Anning | 2019/01/03 05:30 | Eric Vanshelboim v Kazuki Nishiwaki | 4-6,6-1,6-4 |
| ITF M15 Anning | 2019/01/02 04:25 | Rui-Xuan Wang v Kazuki Nishiwaki | 6-1,2-6,4-6 |
| Challenger Kobe | 2018/11/10 06:00 | Xin Gao v Kazuki Nishiwaki | 6-4,6-4 |
| ITF Australia F8 | 2018/10/10 01:00 | Colin Sinclair v Kazuki Nishiwaki | 6-7,6-4,6-4 |
| ITF Australia F7 | 2018/10/04 00:00 | Colin Sinclair v Kazuki Nishiwaki | 6-3,6-3 |
| ITF Australia F7 | 2018/10/02 01:45 | Connor Johnson v Kazuki Nishiwaki | 3-6,3-6 |
| Challenger Shanghai | 2018/09/08 05:00 | Aldin Setkic v Kazuki Nishiwaki | 6-3,6-2 |