Round: 44 Ground: Hardcourt outdoor
| ITF Japan F3 | 2018/03/17 02:30 | Gengo Kikuchi v Ko Suzuki | 6-2,3-6,6-3 |
| ITF Japan F2 | 2018/03/11 04:00 | Gengo Kikuchi v Yuto Sakai | 2-6,2-6 |
| ITF Japan F1 | 2018/03/08 01:30 | Naoki Nakagawa v Gengo Kikuchi | 7-5,7-6 |
| ITF Japan F1 | 2018/03/07 01:00 | Cheng-Yu Yu v Gengo Kikuchi | 5-7,5-7 |
| ITF Japan F1 | 2018/03/05 01:00 | Gengo Kikuchi v Masaya Kobayashi | 6-2,7-5 |
| ITF Japan F1 | 2018/03/03 01:00 | Gengo Kikuchi v Takuya Kureoka | 6-4,7-6 |
| ITF Japan F8 | 2017/06/15 03:30 | Gengo Kikuchi v Katsuki Nagao | 6-2,6-2 |
| ITF Japan F8 | 2017/06/14 04:00 | Gengo Kikuchi v Yuki Matsuo | 6-0,6-4 |
| ITF Japan F3 | 2018/03/17 02:30 | Kousuke Ogura v Yuto Sakai | 6-4,6-3 |
| ITF Japan F3 | 2018/03/17 00:30 | Takahiro Kubo v Kousuke Ogura | 0-6,0-6 |
| ITF Japan F2 | 2018/03/11 00:30 | Kousuke Ogura v Shinta Fujii | 6-2,5-7,6-7 |
| ITF Japan F2 | 2018/03/10 00:30 | Cheong Hwi Kim v Kousuke Ogura | 5-7,2-6 |
| ITF Japan F1 | 2018/03/03 01:00 | Kousuke Ogura v James Trotter | 3-6,3-6 |
| ITF Japan F8 | 2017/06/10 00:00 | Kousuke Ogura v Taisei Ichikawa | 2-6,2-6 |
| ITF Japan F7 | 2017/06/03 01:00 | Kousuke Ogura v Masaya Kobayashi | 1-6,4-6 |
| ITF Japan F4 | 2017/03/25 01:00 | Kousuke Ogura v Rio Noguchi | 2-6,1-6 |