Stadium: Court 10 Round: 54 Ground: Hardcourt outdoor
| 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 |
| ITF M25 Tsukuba | 2023/03/29 03:30 | Daisuke Sumizawa v Makoto Ochi | 1-6,7-5,6-4 |
| ITF M25 Canberra | 2023/03/21 02:50 | Jordan Smith v Daisuke Sumizawa | 6-4,7-6 |
| ITF M25 Canberra | 2023/03/14 00:20 | Dane Sweeny v Daisuke Sumizawa | 7-6,6-4 |
| ITF M25 Burnie | 2023/02/08 05:20 | Daisuke Sumizawa v Luke Saville | 3-6,4-6 |
| Challenger Burnie | 2023/01/31 01:40 | Daisuke Sumizawa v Hiroki Moriya | 3-6,3-6 |
| ITF M15 Monastir | 2023/03/27 08:30 | David Agung Susanto v Yujiro Onuma | 2-6,7-5,9-11 |
| ITF M15 Monastir | 2023/03/26 08:30 | David Agung Susanto v Changli Zhang | 6-7,7-6,10-7 |
| ITF M15 Monastir | 2023/03/20 08:00 | David Agung Susanto v Brian Bozemoj | 1-6,7-6,6-10 |
| ITF M15 Monastir | 2023/03/19 08:00 | David Agung Susanto v Filippo Giovannini | 6-2,6-1 |
| ITF M15 Jakarta | 2023/01/24 04:05 | David Agung Susanto v Sanhui Shin | 2-6,5-7 |
| ITF M15 Jakarta Qual | 2023/01/23 03:40 | Rishab Agarwal v David Agung Susanto | 7-6,2-6,7-10 |
| ITF M15 Jakarta Qual | 2023/01/22 04:00 | David Agung Susanto v Bharath Nishok Kumaran | 6-2,6-4 |
| ITF M15 Jakarta | 2023/01/18 03:00 | Anthony Susanto v David Agung Susanto | 6-4,6-2 |