Estádio: Court 8 Round: 25 Ground: Hardcourt outdoor
| ITF - M15 Wellington | 2022/12/16 02:25 | Corban Crowther v Daisuke Sumizawa | 4-6,1-6 |
| ITF - M25 Takasaki | 2023/09/21 03:15 | Naoki Nakagawa v Daisuke Sumizawa | 7-5,6-4 |
| ITF - M25 Sapporo | 2023/09/15 00:55 | Koki Matsuda v Daisuke Sumizawa | 6-0,7-6 |
| ITF - M25 Sapporo | 2023/09/13 01:00 | Daisuke Sumizawa v Yunseok Jang | 6-3,6-4 |
| ITF - M25 Sapporo | 2023/09/10 02:00 | Shuichi Sekiguchi v Daisuke Sumizawa | 6-1,6-4 |
| ITF - M25 Sapporo | 2023/09/09 01:55 | Sora Fukuda v Daisuke Sumizawa | 4-6,4-6 |
| ITF - M25 Sapporo | 2023/09/08 04:45 | Daisuke Sumizawa v Ko Suzuki | 7-5,6-2 |
| ITF - M25 Sapporo | 2023/09/07 01:00 | Tomohiro Masabayashi v Daisuke Sumizawa | 3-6,3-6 |
| ITF - M25 Hong Kong | 2023/08/30 04:10 | Egor Gerasimov v Daisuke Sumizawa | 4-6,6-3,7-5 |
| ITF - M25 Cairns | 2023/10/03 02:15 | Corban Crowther v Kai-I Wang | 6-1,6-4 |
| ITF - M25 Cairns | 2023/10/02 02:30 | Corban Crowther v Zachary Viiala | 7-6,6-2 |
| ITF - M25 Darwin | 2023/09/21 08:10 | Ajeet Rai v Corban Crowther | 7-6,6-3 |
| ITF - M25 Darwin | 2023/09/20 08:20 | Corban Crowther v Yamato Sueoka | 7-6,6-4 |
| ITF - M25 Darwin | 2023/09/19 05:30 | Corban Crowther v Thomas Nicholas Gadecki | 7-6,6-3 |
| ITF - M25 Darwin | 2023/09/18 05:30 | Corban Crowther v Hugh Callaghan | 7-5,7-6 |
| ITF - M25 Darwin | 2023/09/12 05:30 | Corban Crowther v Mason Naumovski | 3-6,4-6 |
| ITF - M25 Darwin | 2023/09/11 05:30 | Corban Crowther v Cooper Wilkinson | 6-1,6-4 |