Stadium: Court 5 Round: 62 Ground: Clay
| ITF Japan F2 | 2016/03/13 01:00 | Kishi, Ryota v Kousuke Ogura | 7-6,7-5 |
| ITF Japan F7 | 2018/06/04 03:10 | Kishi, Ryota v Moerani Bouzige | 6-4,2-6,2-6 |
| ITF Japan F7 Qual | 2018/06/03 02:50 | Kishi, Ryota v Yamanaka, Kyohei | 6-1,6-2 |
| ITF Japan F7 Qual | 2018/06/02 01:00 | Kishi, Ryota v Papez, Ziga | 6-1,6-0 |
| ITF Japan F6 Qual | 2018/04/09 01:00 | Sho Shimabukuro v Kishi, Ryota | 6-3,6-1 |
| ITF Japan F6 Qual | 2018/04/08 04:00 | Kishi, Ryota v Masaya Kobayashi | 6-2,6-1 |
| ITF Japan F5 | 2018/03/31 00:30 | Cing-Yang Meng v Kishi, Ryota | 6-4,7-5 |
| ITF Japan F4 | 2018/03/25 01:00 | Rigele Te v Kishi, Ryota | 6-1,7-5 |
| ITF Japan F4 | 2018/03/24 00:00 | Takamura, Yuki v Kishi, Ryota | 3-6,5-7 |
| ITF Japan F8 | 2018/06/09 01:00 | Takahiro Kubo v Kousuke Ogura | 0-6,3-6 |
| ITF Japan F7 Qual | 2018/06/03 01:00 | Onozawa, Arata v Kousuke Ogura | 6-2,6-1 |
| ITF China F5 Qual | 2018/05/05 09:50 | Sadler, Olly v Kousuke Ogura | 6-3,3-6,6-2 |
| ITF China F4 Qual | 2018/04/29 03:05 | Chen, Liran v Kousuke Ogura | 7-5,6-2 |
| ITF China F4 Qual | 2018/04/28 03:40 | Kousuke Ogura v Fang, Ruitong | 6-0,6-2 |
| ITF Japan F6 Qual | 2018/04/08 04:00 | Jie Cui v Kousuke Ogura | 6-4,6-2 |
| ITF Japan F4 | 2018/03/24 04:00 | Issei Okamura v Kousuke Ogura | 6-3,7-5 |
| ITF Japan F3 | 2018/03/18 01:00 | Kikuchi, Gengo v Kousuke Ogura | 6-3,6-2 |