Stadium: Court 10 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Nonthaburi | 2019/05/31 04:40 | Rio Noguchi v Shuichi Sekiguchi | 7-5,5-7,6-1 |
| ITF M25 Nonthaburi | 2019/05/30 10:10 | Chayanon Kaewsuto v Shuichi Sekiguchi | 2-6,7-5,4-6 |
| ITF M25 Nonthaburi | 2019/05/29 06:35 | Adil Kalyanpur v Shuichi Sekiguchi | 6-7,4-6 |
| ITF M25 Nonthaburi | 2019/05/26 03:00 | Ji Sung Nam v Shuichi Sekiguchi | 1-6,4-6 |
| ITF M25 Nonthaburi | 2019/05/25 05:15 | Harry Bourchier v Shuichi Sekiguchi | 4-6,4-6 |
| ITF M25 Nonthaburi | 2019/05/24 04:45 | Shuichi Sekiguchi v Kelsey Stevenson | 7-6,6-2 |
| ITF M25 Nonthaburi | 2019/05/23 06:45 | Shuichi Sekiguchi v Jayden Court | 6-4,6-1 |
| ITF M25 Nonthaburi | 2019/05/21 09:55 | Shuichi Sekiguchi v Sonchat Ratiwatana | 7-5,6-0 |
| ITF M15 Wuhan | 2019/04/29 03:45 | Wai Yu Kai v Kousuke Ogura | 3-6,4-6 |
| ITF Hong Kong F3 | 2018/12/22 02:00 | Xin Gao v Wai Yu Kai | 6-3,6-2 |
| ITF China F12 Qual | 2018/08/11 02:00 | Hu Liu v Wai Yu Kai | 6-2,6-3 |
| ITF China F11 | 2018/07/17 01:00 | Lingxi Zhao v Wai Yu Kai | 6-2,6-2 |
| ITF China F11 Qual | 2018/07/16 02:55 | Wai Yu Kai v Xin Hu | 6-2,6-1 |
| ITF China F11 Qual | 2018/07/15 03:35 | Ruo Chen v Wai Yu Kai | 1-6,2-6 |
| ITF China F11 Qual | 2018/07/14 02:50 | Wai Yu Kai v Xiaoyu He | 6-2,6-2 |
| ITF China F10 Qual | 2018/07/07 02:00 | Weibowen Zou v Wai Yu Kai | 6-3,7-6 |