Stadium: Court 8 Round: 62 Ground: Clay
| 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 Japan F3 | 2017/03/18 05:00 | Masamichi Imamura v Takuya Kumasaka | 7-6,7-5 |
| ITF Japan F1 | 2017/03/04 03:30 | Takuya Kumasaka v Naru Shirafuji | 2-6,2-6 |
| ITF Japan F6 Qual | 2018/04/07 01:00 | David Barclay v Yuichiro Inui | 1-6,7-6,6-4 |
| ITF Australia F4 Qual | 2018/03/26 01:10 | Aaron Addison v David Barclay | 7-5,6-4 |
| ITF Australia F4 Qual | 2018/03/25 00:30 | Brian Tran v David Barclay | 4-6,5-7 |
| ITF Australia F4 Qual | 2018/03/24 03:30 | David Barclay v Stefan Storch | 6-2,6-0 |
| ITF Australia F3 Qual | 2018/03/18 00:30 | Lewis Miles v David Barclay | 6-4,6-4 |
| ITF Australia F3 Qual | 2018/03/17 01:30 | David Barclay v Socrates Leon Tsoronis | 7-5,6-4 |
| ITF Australia F2 Qual | 2018/03/03 00:00 | Michael Commings v David Barclay | 3-6,6-2,6-4 |
| ITF Australia F1 Qual | 2018/02/25 23:00 | Kody Pearson v David Barclay | 1-6,6-4,6-4 |