Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF M25 Brisbane | 2023/11/22 03:50 | Daisuke Sumizawa v Emile Hudd | 2-6,2-6 |
| ITF M25 Cairns | 2023/10/12 00:00 | Omar Jasika v Daisuke Sumizawa | 6-1,6-2 |
| ITF M25 Cairns | 2023/10/10 23:50 | Daisuke Sumizawa v Taiyo Yamanaka | 6-2,6-2 |
| ITF M25 Cairns | 2023/10/06 02:25 | Daisuke Sumizawa v Ajeet Rai | 6-4,5-7,2-6 |
| ITF M25 Cairns | 2023/10/05 02:45 | Daisuke Sumizawa v Kody Pearson | 6-2,1-6,6-4 |
| 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 Brisbane | 2023/11/23 00:00 | Blake Ellis v Matthew Dellavedova | 7-6,7-6 |
| ITF M25 Brisbane | 2023/11/22 02:40 | Tai Leonard Sach v Matthew Dellavedova | 4-6,2-6 |
| ITF M25 Hua Hin | 2023/11/15 05:40 | Goncalo Oliveira v Matthew Dellavedova | 7-6,6-2 |
| ITF M15 Hua Hin | 2023/11/07 03:55 | Matthew Dellavedova v Moerani Bouzige | 6-3,3-6,2-6 |
| Challenger Sydney | 2023/10/30 23:00 | Matthew Dellavedova v Rinky Hijikata | 3-6,4-6 |
| Challenger Sydney | 2023/10/29 23:00 | Matthew Romios v Matthew Dellavedova | 6-7,6-3,1-6 |
| Challenger Sydney | 2023/10/29 00:40 | Thomas Braithwaite v Matthew Dellavedova | 3-6,2-6 |
| Challenger Playford | 2023/10/23 23:30 | Nam Hoang Ly v Matthew Dellavedova | 6-4,6-3 |