Stadium: Court 5 Round: 25 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 M25 Kashiwa | 2023/04/02 04:00 | Maximus Jones v Ryotaro Taguchi | 6-7,5-7 |
| ITF M25 Tsukuba | 2023/03/27 00:30 | Maximus Jones v Ryotaro Taguchi | 4-6,0-6 |
| Challenger Nonthaburi | 2023/01/15 04:50 | Makoto Ochi v Maximus Jones | 6-3,6-3 |
| Challenger Nonthaburi | 2023/01/09 03:00 | Maximus Jones v Evgeny Donskoy | 2-6,2-6 |
| Challenger Nonthaburi | 2023/01/08 04:15 | Michael Vrbensky v Maximus Jones | 6-3,6-7,4-6 |
| Challenger Nonthaburi | 2023/01/02 06:40 | Yasutaka Uchiyama v Maximus Jones | 6-4,6-4 |
| ITF M15 Monastir | 2022/12/08 08:30 | Maximus Jones v Raphael Lambling | 5-7,3-6 |
| ITF M15 Monastir | 2022/12/07 11:25 | Maximus Jones v Samir Hamza Reguig | 2-6,6-3,6-2 |