Stadium: Centre Court Round: 24 Ground: Hardcourt outdoor
| ITF M25 Taipei | 2019/07/24 03:35 | Kousuke Ogura v Wei-De Lin | 3-6,1-6 |
| ITF M25 Taipei | 2019/07/23 03:40 | Wei-De Lin v Kousuke Ogura | 6-3,2-6,11-9 |
| ITF M25 Taipei | 2019/07/22 02:00 | Chang-Lin Tsai v Kousuke Ogura | 7-6,3-6,4-10 |
| ITF M25 Taipei | 2019/07/18 10:15 | Yan Bai v Kousuke Ogura | 6-1,6-1 |
| ITF M25 Taipei | 2019/07/17 02:00 | Jumpei Yamasaki v Kousuke Ogura | 6-2,3-6,4-6 |
| ITF M25 Taipei | 2019/07/16 02:00 | Kazuma Kawachi v Kousuke Ogura | 0-6,1-6 |
| ITF M15 Akishima | 2019/06/11 06:35 | Yuta Kawahashi v Kousuke Ogura | 6-0,6-0 |
| ITF M15 Karuizawa | 2019/05/29 05:15 | Kazuki Shimizu v Kousuke Ogura | 7-5,5-7,6-4 |
| Challenger Chengdu | 2019/08/02 09:15 | Shuichi Sekiguchi v Tatsuma Ito | 2-6,1-6 |
| Challenger Chengdu | 2019/08/01 07:45 | Goncalo Oliveira v Shuichi Sekiguchi | 4-6,6-3,4-6 |
| Challenger Chengdu | 2019/07/31 08:55 | Shuichi Sekiguchi v Tsung-Hua Yang | 6-4,6-4 |
| Challenger Chengdu | 2019/07/29 10:30 | Weiqiang Zheng v Shuichi Sekiguchi | 5-7,1-6 |
| Challenger Nur-Sultan | 2019/07/18 05:00 | Egor Gerasimov v Shuichi Sekiguchi | 6-2,6-0 |
| Challenger Nur-Sultan | 2019/07/16 05:00 | Shuichi Sekiguchi v Zhizhen Zhang | 7-5,6-4 |
| Challenger Nur-Sultan | 2019/07/15 06:45 | Shuichi Sekiguchi v Dostanbek Tashbulatov | 6-3,6-1 |
| Challenger Fergana | 2019/06/17 07:25 | Shuichi Sekiguchi v Makoto Ochi | 6-4,6-4 |