Stadium: Court 13 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Nanchang | 2019/09/30 07:45 | Hao Wu v Shohei Chikami | 2-6,6-3,10-8 |
| ITF M15 Nanchang | 2019/09/30 02:00 | Yi Wei Zhang v Shohei Chikami | 3-6,1-6 |
| ITF M15 Nanchang | 2019/09/29 02:00 | Da Cheng Yuan v Shohei Chikami | 0-6,1-6 |
| ITF M15 Nanchang | 2019/09/25 02:00 | Shohei Chikami v Tsung-Hao Huang | 6-4,1-6,1-6 |
| ITF M15 Nanchang | 2019/09/23 05:30 | Shohei Chikami v Yaojie Zeng | 6-3,6-0 |
| ITF M15 Nanchang | 2019/09/23 02:00 | Pak Long Yeung v Shohei Chikami | 2-6,4-6 |
| ITF M15 Nanchang | 2019/09/22 02:00 | Shohei Chikami v Jianhui Li | 6-2,6-2 |
| ITF M15 Akishima | 2019/06/13 01:00 | Shohei Chikami v Hikaru Shiraishi | 5-7,3-6 |
| ITF M15 Te Anau | 2019/12/30 23:00 | Elliot Benchetrit v Ken Onishi | 7-5,6-1 |
| Challenger Kobe | 2019/11/06 01:30 | Luke Saville v Ken Onishi | 6-2,6-2 |
| ITF M25 Taipei | 2019/07/22 04:00 | Han-Chih Lin v Ken Onishi | 6-7,6-3,10-6 |
| ITF M25 Taipei | 2019/07/15 02:00 | Hao-Hsiang Liao v Ken Onishi | 7-6,7-6 |
| ITF M15 Gimcheon | 2019/06/17 05:20 | Ju-Hae Moon v Ken Onishi | 2-6,6-3,10-6 |
| ITF M15 Gimcheon | 2019/06/13 01:30 | Ken Onishi v Seong Chan Hong | 1-6,2-6 |
| ITF M15 Gimcheon | 2019/06/12 01:00 | Ken Onishi v Cing-Yang Meng | 6-4,6-4 |
| ITF M15 Gimcheon | 2019/06/11 01:00 | Ken Onishi v Seung-Hun Shin | 7-6,6-3 |