Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF Hong Kong F3 | 2018/12/22 02:00 | Gao, Xin v Kai, Wai Yu | 6-3,6-2 |
| ITF China F12 Qual | 2018/08/11 02:00 | Liu, Hu v Kai, Wai Yu | 6-2,6-3 |
| ITF China F11 | 2018/07/17 01:00 | Zhao, Lingxi v Kai, Wai Yu | 6-2,6-2 |
| ITF China F11 Qual | 2018/07/16 02:55 | Kai, Wai Yu v Xin Hu | 6-2,6-1 |
| ITF China F11 Qual | 2018/07/15 03:35 | Ruo Chen v Kai, Wai Yu | 1-6,2-6 |
| ITF China F11 Qual | 2018/07/14 02:50 | Kai, Wai Yu v He, Xiaoyu | 6-2,6-2 |
| ITF China F10 Qual | 2018/07/07 02:00 | Zou, Weibowen v Kai, Wai Yu | 6-3,7-6 |
| ITF China F9 Qual | 2018/07/01 04:00 | Bingyu Yu v Kai, Wai Yu | 6-2,6-1 |
| Matsuyama, Singles M-ITF-JPN-06A | 2019/04/11 01:00 | Naoki Tajima v Kousuke Ogura | 6-4,6-0 |
| Matsuyama, Singles M-ITF-JPN-06A | 2019/04/09 03:00 | Congsup Congcar v Kousuke Ogura | 5-7,5-7 |
| ITF - M15 Kashiwa | 2019/04/01 00:00 | Kousuke Ogura v Takeuchi, Kento (1987) | 2-6,4-6 |
| ITF - M15 Tsukuba | 2019/03/25 04:45 | Liu, Shao-Fan v Kousuke Ogura | 7-5,6-7,10-6 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/20 03:30 | Kousuke Ogura v Song, Min-Kyu | 3-6,6-3,3-6 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/18 04:30 | Masamichi Imamura v Kousuke Ogura | 2-6,6-4,10-6 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/18 00:30 | Shimizu, Kazuki v Kousuke Ogura | 6-7,5-7 |
| ITF - M15 Nishi-Tokyo | 2019/03/13 05:55 | Kousuke Ogura v Ryota Tanuma | 2-6,6-7 |