Stadium: Court 9 Round: 62 Ground: Clay
| 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 Japan F6 Qual | 2018/04/08 01:00 | Takuya Kumasaka v David Barclay | 5-7,6-3,6-1 |
| ITF Japan F4 | 2018/03/24 00:00 | Takuya Kumasaka v Masaki Sasai | 3-6,6-4,3-6 |
| ITF Japan F3 | 2018/03/17 00:30 | Ryohei Tagata v Takuya Kumasaka | 6-0,6-2 |
| ITF Japan F1 | 2018/03/08 07:20 | Takuya Kumasaka v Wishaya Trongcharoenchaikul | 6-1,0-6,3-6 |
| ITF Japan F1 | 2018/03/07 03:10 | Takuya Kumasaka v Milan Drinic | 6-1,6-1 |
| ITF Japan F4 | 2017/03/25 01:00 | Taisei Miyamoto v Takuya Kumasaka | 6-2,6-3 |
| ITF China F8 | 2018/06/05 03:40 | Wishaya Trongcharoenchaikul v Kento Tagashira | 6-1,6-2 |
| ITF China F8 Qual | 2018/06/03 02:00 | Lewei Cai v Kento Tagashira | 1-6,2-6 |
| ITF Tunisia F20 | 2018/05/19 09:00 | Kento Tagashira v James Ibrahim | 4-6,6-7 |
| ITF Tunisia F18 | 2018/05/08 09:00 | Mustafa Ibraimi v Kento Tagashira | 6-4,6-3 |
| ITF Tunisia F17 | 2018/04/29 09:00 | Imran Aswat v Kento Tagashira | 6-2,6-2 |
| ITF Tunisia F17 | 2018/04/28 09:00 | Maxim Krapivin v Kento Tagashira | 4-6,6-3,4-6 |
| ITF Tunisia F16 | 2018/04/22 12:00 | Kento Tagashira v Tiran Sanghera | 1-6,4-6 |
| ITF Tunisia F16 | 2018/04/21 11:00 | Ruan Du Preez v Kento Tagashira | 2-6,1-6 |