Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF Japan F6 | 2018/04/13 03:40 | Rimpei Kawakami v Kazuki Nishiwaki | 4-6,2-6 |
| ITF Japan F6 | 2018/04/12 04:20 | Hiroki Moriya v Rimpei Kawakami | 5-7,6-3,6-7 |
| ITF Japan F6 | 2018/04/10 01:00 | Rigele Te v Rimpei Kawakami | 5-7,0-6 |
| ITF Japan F6 Qual | 2018/04/09 02:15 | Jie Cui v Rimpei Kawakami | 1-6,4-6 |
| ITF Japan F6 Qual | 2018/04/08 04:00 | Rimpei Kawakami v Shinta Fujii | 6-1,6-0 |
| ITF Japan F6 Qual | 2018/04/07 03:30 | Yusei Fukuoka v Rimpei Kawakami | 1-6,0-6 |
| ITF Japan F5 | 2018/04/02 04:35 | Rimpei Kawakami v Naoki Tajima | 3-6,4-6 |
| ITF Japan F5 | 2018/04/01 00:30 | Rio Noguchi v Rimpei Kawakami | 4-6,2-6 |
| ITF China F4 Qual | 2018/04/28 02:00 | Joachim Li-Ernoul v Qun Gao | 1-6,1-6 |