Stadium: Court 7 Round: 62
| ITF Guam F1 | 2018/06/19 00:00 | Kazuma Kawachi v Yuichiro Inui | 6-7,6-1,6-2 |
| ITF Japan F7 | 2018/06/04 01:00 | Yuichiro Inui v Tomohiro Masabayashi | 5-7,3-6 |
| ITF Japan F7 Qual | 2018/06/03 01:00 | Yuichiro Inui v Masayoshi Ono | 7-5,6-2 |
| ITF Singapore F2 | 2018/05/19 03:00 | Yuichiro Inui v Skyler Butts | 6-2,6-7,1-6 |
| ITF Singapore F1 | 2018/05/15 05:15 | Shunrou Takeshima v Yuichiro Inui | 6-4,6-4 |
| ITF Singapore F1 | 2018/05/13 06:00 | Yuichiro Inui v Bang Shuo Yin | 7-5,6-1 |
| ITF Vietnam F2 | 2018/05/05 03:00 | Gengo Kikuchi v Yuichiro Inui | 6-4,6-4 |
| ITF Vietnam F1 | 2018/04/29 05:30 | Darren Polkinghorne v Yuichiro Inui | 6-3,6-3 |