Estádio: Court H Round: 25 Ground: Hardcourt outdoor
| ITF - Japão F3 | 2018/03/18 01:00 | Gengo Kikuchi v Kousuke Ogura | 6-3,6-2 |
| ITF - Taipé Chinesa F2 | 2018/07/24 02:00 | Hsien-Yin Peng v Gengo Kikuchi | 6-3,6-4 |
| ITF - Taipé Chinesa F1 | 2018/07/18 03:05 | Ti Chen v Gengo Kikuchi | 6-2,6-3 |
| ITF - Japão F8 | 2018/06/17 02:00 | Rio Noguchi v Gengo Kikuchi | 6-3,6-4 |
| ITF - Japão F8 | 2018/06/16 02:00 | Gengo Kikuchi v Sho Katayama | 6-4,7-5 |
| ITF - Japão F8 | 2018/06/15 01:30 | Yuya Kibi v Gengo Kikuchi | 6-4,4-6,3-6 |
| ITF - Japão F8 | 2018/06/14 01:00 | Gengo Kikuchi v Shinji Hazawa | 6-4,6-3 |
| ITF - Japão F8 | 2018/06/13 01:00 | Gengo Kikuchi v Masaya Kobayashi | 6-0,6-1 |
| ITF - Japão F7 | 2018/06/09 03:20 | Takashi Saito v Gengo Kikuchi | 4-6,7-6,6-3 |
| 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 - Tailândia F9 | 2018/11/11 04:30 | Kousuke Ogura v Chukang Wang | 1-6,7-5,1-6 |
| ITF - Tailândia F9 | 2018/11/10 05:00 | Kousuke Ogura v Nawakarn Khunjan | 6-1,6-3 |
| ITF - Tailândia F8 | 2018/11/03 04:30 | Alexander Donski v Kousuke Ogura | 6-1,4-6,6-2 |
| ITF - Tailândia F6 | 2018/10/06 05:30 | Daisuke Sumizawa v Kousuke Ogura | 6-3,6-2 |
| ITF - Tailândia F5 | 2018/09/30 02:30 | David Agung Susanto v Kousuke Ogura | 6-4,6-0 |
| ITF - Tailândia F5 | 2018/09/29 04:30 | Tianjia Guo v Kousuke Ogura | 6-4,2-6,3-6 |