Stadium: Court F Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F9 | 2018/11/11 06:00 | Wei-De Lin v Takuya Kumasaka | 6-4,2-6,7-6 |
| ITF Thailand F9 | 2018/11/10 05:00 | Noppadol Noikor v Takuya Kumasaka | 1-6,1-6 |
| ITF Thailand F8 | 2018/11/04 06:00 | Takuya Kumasaka v Abhinav Sanjeev Shanmugam | 3-6,6-3,4-6 |
| ITF Thailand F8 | 2018/11/03 04:30 | Sam Ryan Ziegann v Takuya Kumasaka | 2-6,1-6 |
| ITF Japan F8 | 2018/06/11 00:30 | Takuya Kumasaka v Yuki Matsuo | 2-6,4-6 |
| ITF Japan F8 | 2018/06/09 01:00 | Takuya Kumasaka v Kento Tagashira | 7-6,6-0 |
| ITF Japan F7 | 2018/06/05 01:00 | Takuya Kumasaka v Gengo Kikuchi | 6-3,3-6,4-6 |
| ITF Japan F6 Qual | 2018/04/09 01:00 | Kaito Uesugi v Takuya Kumasaka | 6-3,6-1 |
| ITF M15 Anning | 2019/01/10 03:00 | Taisei Ichikawa v Kazuki Nishiwaki | 5-7,3-6 |
| 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 |