Stadium: Court 12 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Cairns | 2023/10/04 03:15 | Daisuke Sumizawa v Corban Crowther | 7-6,4-6,6-1 |
| 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 Cairns | 2023/10/03 05:55 | Kody Pearson v James Watt | 6-4,7-6 |
| ITF M25 Darwin | 2023/09/23 08:40 | Kody Pearson v Blake Mott | 1-6,1-6 |
| ITF M25 Darwin | 2023/09/22 08:50 | Henrik Wiersholm v Kody Pearson | 6-4,3-6,2-6 |
| ITF M25 Darwin | 2023/09/20 08:00 | Kody Pearson v Brandon Walkin | 7-6,6-1 |
| ITF M25 Darwin | 2023/09/12 08:50 | Kody Pearson v Jacob Bradshaw | 6-7,5-7 |
| ITF M15 Nakhon Si Thammarat | 2023/09/06 05:00 | Seon Yong Han v Kody Pearson | 7-6,6-3 |
| ITF M15 Nakhon Si Thammarat | 2023/09/01 03:30 | Kody Pearson v Maximus Jones | 2-6,4-6 |
| ITF M15 Nakhon Si Thammarat | 2023/08/31 04:45 | Kody Pearson v Francois Musitelli | 3-6,6-4,6-4 |