Stadium: Covered court 14 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Luan | 2019/05/14 02:00 | Daisuke Sumizawa v Ruikai Wang | 6-4,6-3 |
| ITF M25 Wuhan | 2019/05/09 03:10 | Yan Bai v Daisuke Sumizawa | 6-3,6-1 |
| ITF M25 Wuhan | 2019/05/08 03:30 | Ray Ho v Daisuke Sumizawa | 6-7,3-6 |
| ITF M25 Wuhan | 2019/05/07 02:00 | Weiqiang Zheng v Daisuke Sumizawa | 6-2,6-7,7-10 |
| ITF M25 Matsuyama | 2019/04/09 01:00 | Daisuke Sumizawa v Kazuki Shimizu | 6-3,4-6,6-10 |
| ITF M15 Kashiwa | 2019/04/01 00:00 | Daisuke Sumizawa v Kazuki Nishiwaki | 6-2,2-6,8-10 |
| ITF M15 Mornington | 2019/03/25 23:00 | Daisuke Sumizawa v Stefan Skadarka | 6-3,6-7,7-10 |
| ITF M15 Mornington | 2019/03/24 23:00 | Daisuke Sumizawa v Zac Osborne | 6-2,6-1 |
| ITF M25 Wuhan | 2019/05/08 05:40 | Jie Cui v Hong Kit Wong | 6-3,6-7,0-6 |
| ITF M15 Wuhan | 2019/05/03 02:00 | Jie Cui v Sho Shimabukuro | 1-6,4-6 |
| ITF M15 Wuhan | 2019/05/02 02:00 | Jie Cui v Tsung-Hao Huang | 6-3,6-0 |
| ITF M15 Wuhan | 2019/05/01 07:15 | Runhao Hua v Jie Cui | 3-6,5-7 |
| Challenger Nanchang | 2019/04/22 05:55 | Di Wu v Jie Cui | 6-1,6-2 |
| ITF M15 Nishi-Tokyo | 2019/03/13 04:25 | Jie Cui v Takuto Niki | 4-6,6-7 |
| ITF M15 Anning | 2019/01/15 03:25 | Jie Cui v Ray Ho | 1-6,0-6 |
| ITF M15 Anning | 2019/01/10 02:00 | Shao-Fan Liu v Jie Cui | 6-4,6-4 |