Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Nakhon Si Thammarat | 2023/06/07 03:30 | Daisuke Sumizawa v Maximus Jones | 1-6,2-6 |
| ITF M15 Karuizawa | 2023/06/01 00:30 | Sora Fukuda v Daisuke Sumizawa | 6-3,6-4 |
| ITF M15 Karuizawa | 2023/05/30 07:35 | Taketo Takamisawa v Daisuke Sumizawa | 2-6,4-6 |
| Challenger Busan | 2023/05/08 02:00 | Daisuke Sumizawa v Woobin Shin | 6-2,3-6,2-6 |
| Challenger Gwangju | 2023/04/30 04:10 | Daniel Masur v Daisuke Sumizawa | 6-0,6-4 |
| ITF M25 Kashiwa | 2023/04/06 01:30 | Daisuke Sumizawa v Yunseong Chung | 2-6,2-6 |
| ITF M25 Kashiwa | 2023/04/05 03:15 | Ryotaro Taguchi v Daisuke Sumizawa | 6-7,7-6,6-7 |
| ITF M25 Tsukuba | 2023/03/30 02:50 | Hiroki Moriya v Daisuke Sumizawa | 7-5,6-1 |
| UTR Pro Tennis Series Bendigo | 2022/12/16 23:30 | Jeremy Taylor v Jeremy Zhang | 4-6,6-2,5-0 |
| UTR Pro Tennis Series Bendigo | 2022/12/14 22:00 | Jeremy Zhang v Jamieson Nathan | 6-3,5-7,5-1 |
| UTR Pro Tennis Series Bendigo | 2022/12/13 22:00 | Jeremy Zhang v Andre Filep | 6-0,6-3 |
| UTR Pro Tennis Series Bendigo | 2022/12/12 22:00 | Jeremy Zhang v Stefan Bianchet | 6-4,3-6,7-6 |
| UTR Pro Tennis Series Bendigo | 2022/12/11 23:30 | Jeremy Zhang v Lawrence Bataljin | 6-0,4-1 |
| ITF M25 Traralgon | 2022/11/24 01:50 | Jeremy Zhang v Jeremy Beale | 5-7,3-6 |
| ITF M25 Traralgon | 2022/11/15 04:20 | Corey Gaal v Jeremy Zhang | 6-0,6-4 |
| ITF M25 Traralgon | 2022/11/14 05:00 | Jeremy Zhang v Tomislav E Papac | 6-1,6-4 |