Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Caloundra | 2023/07/25 04:05 | Daisuke Sumizawa v Kazuki Nishiwaki | 6-1,6-2 |
| Jakarta, Singles Main, M-ITF-INA-02A | 2023/06/28 02:00 | Dzhavakian, Yurii v Daisuke Sumizawa | 2-6,6-4,6-2 |
| ITF M25 Anseong | 2023/06/23 03:25 | Daisuke Sumizawa v Sanhui Shin | 3-6,4-6 |
| ITF M25 Anseong | 2023/06/22 04:00 | Daisuke Sumizawa v Takuya Kumasaka | 7-5,7-6 |
| ITF M25 Anseong | 2023/06/21 04:10 | Daisuke Sumizawa v Ko Suzuki | 7-5,6-3 |
| ITF M25 Nakhon Si Thammarat | 2023/06/15 03:25 | Orel Kimhi v Daisuke Sumizawa | 6-1,6-3 |
| 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 Caloundra | 2023/07/25 23:55 | Luke Sorensen v Tai Leonard Sach | 2-6,7-6,7-6 |
| ITF M15 Caloundra | 2023/07/25 00:00 | Cavrak, Ken v Luke Sorensen | 4-6,4-6 |
| ITF M15 Caloundra | 2023/07/24 06:30 | Ethan Dunn v Luke Sorensen | 5-7,2-6 |
| UTR - Série Pro Tennis - Taipei | 2023/07/16 03:00 | Luke Sorensen v Hong-Lin Fu | 6-4,6-2 |
| UTR - Série Pro Tennis - Taipei | 2023/07/15 06:30 | Ishaque Eqbal v Luke Sorensen | 4-6,2-6 |
| UTR - Série Pro Tennis - Taipei | 2023/07/13 06:15 | Luke Sorensen v Cheng Yu Yu | 6-3,6-2 |
| UTR - Série Pro Tennis - Taipei | 2023/07/12 07:30 | Luke Sorensen v Gupta, Lakshya | 6-2,6-1 |
| UTR - Série Pro Tennis - Taipei | 2023/07/11 09:00 | Luke Sorensen v Elijah Cham | 6-4,6-7,4-6 |