Stadium: Court 2 Round: 45 Ground: Hardcourt outdoor
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Kazuki Shimizu v Daisuke Sumizawa | 2-6,2-6 |
| ITF Japan F8 | 2018/06/11 00:30 | Ryotaro Matsumura v Kazuki Shimizu | 7-5,6-3 |
| ITF Japan F8 | 2018/06/09 05:30 | Kazuki Shimizu v Kyohei Yamanaka | 6-1,7-6 |
| ITF Japan F8 | 2018/06/09 01:00 | Winter Meagher v Kazuki Shimizu | 7-5,4-6,4-6 |
| ITF Japan F7 | 2018/06/04 03:10 | Kazuki Shimizu v Jumpei Yamasaki | 2-6,4-6 |
| ITF Japan F7 Qual | 2018/06/03 01:00 | Kazuki Shimizu v David Barclay | 6-0,6-4 |
| ITF Japan F7 Qual | 2018/06/02 01:00 | Masaya Kobayashi v Kazuki Shimizu | 6-7,3-6 |
| ITF Japan F6 Qual | 2018/04/08 04:00 | Sho Shimabukuro v Kazuki Shimizu | 6-2,6-1 |
| ITF M15 Nishi-Tokyo | 2019/03/13 05:55 | Kousuke Ogura v Ryota Tanuma | 2-6,6-7 |
| ITF M15 Nishi-Tokyo | 2019/03/11 01:00 | Kousuke Ogura v Sota Fujii | 6-3,2-6,10-8 |
| ITF M15 Nishi-Tama | 2019/03/06 01:00 | Gengo Kikuchi v Kousuke Ogura | 7-5,7-5 |
| ITF M15 Nishi-Tama | 2019/03/05 03:00 | Aoran Wang v Kousuke Ogura | 3-6,2-6 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Kousuke Ogura v Shunrou Takeshima | 7-5,6-3 |
| ITF Thailand F9 | 2018/11/11 04:30 | Kousuke Ogura v Chukang Wang | 1-6,7-5,1-6 |
| ITF Thailand F9 | 2018/11/10 05:00 | Kousuke Ogura v Nawakarn Khunjan | 6-1,6-3 |
| ITF Thailand F8 | 2018/11/03 04:30 | Alexander Donski v Kousuke Ogura | 6-1,4-6,6-2 |