Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| ITF Japan F7 Qual | 2018/06/02 01:00 | Daisuke Sumizawa v Taisei Miyamoto | 2-6,4-6 |
| ITF Vietnam F3 | 2018/05/13 04:00 | Nicholas Bybel v Daisuke Sumizawa | 6-1,6-3 |
| ITF Vietnam F3 | 2018/05/12 03:00 | Artem Vu v Daisuke Sumizawa | 3-6,1-6 |
| ITF Vietnam F2 | 2018/05/05 05:00 | Daisuke Sumizawa v Jirat Navasirisomboon | 2-6,5-7 |
| ITF Vietnam F1 | 2018/04/29 05:30 | Jirat Navasirisomboon v Daisuke Sumizawa | 6-2,6-1 |
| ITF Vietnam F1 | 2018/04/28 05:00 | Yuttana Charoenphon v Daisuke Sumizawa | 4-6,2-6 |
| ITF Japan F6 Qual | 2018/04/08 04:00 | Aoran Wang v Daisuke Sumizawa | 6-2,6-2 |
| ITF Japan F5 | 2018/03/31 00:30 | Gengo Kikuchi v Daisuke Sumizawa | 6-1,6-3 |
| ITF Japan F7 | 2018/06/05 02:55 | Kaito Uesugi v Rhett Purcell | 7-5,6-0 |
| ITF China F7 | 2018/05/29 02:00 | Xin Gao v Rhett Purcell | 6-4,6-3 |
| ITF China F6 Qual | 2018/05/13 03:00 | Rhett Purcell v Tsung-Hao Huang | 6-4,6-7,4-6 |
| ITF China F5 Qual | 2018/05/05 04:25 | Rhett Purcell v Zhuoyang Qiu | 3-6,3-6 |
| ITF Vietnam F1 | 2018/05/01 03:00 | Rhett Purcell v Takashi Saito | 6-7,1-6 |
| ITF Australia F4 | 2018/03/29 00:00 | Rhett Purcell v Andrew Whittington | 4-6,0-6 |
| ITF Australia F4 | 2018/03/27 00:00 | Rhett Purcell v Nicholas Horton | 7-5,6-3 |
| ITF Australia F3 | 2018/03/22 01:35 | Jeremy Beale v Rhett Purcell | 4-6,7-5,6-1 |