Stadium: Court 3 Round: 25 Ground: Clay
| ITF M15 Monastir | 2021/09/28 08:00 | Daisuke Sumizawa v Taketo Takamisawa | 6-1,6-1 |
| UTR Pro Miki | 2023/04/22 03:30 | Taketo Takamisawa v Ryotaro Taguchi | 7-6,4-6,5-7 |
| UTR Pro Miki | 2023/04/21 03:30 | Ying-Ze Chen v Taketo Takamisawa | 6-7,3-6 |
| UTR Pro Miki | 2023/04/20 00:30 | Wakamatsu Taichi v Taketo Takamisawa | 1-6,2-6 |
| UTR Pro Miki | 2023/04/18 00:30 | Graham Maassen v Taketo Takamisawa | 4-6,0-6 |
| UTR Pro Miki | 2023/04/16 00:30 | Natsuki Yamamoto v Taketo Takamisawa | 4-6,4-5 |
| UTR Pro Miki | 2023/04/15 00:30 | Kosuke Shibano v Taketo Takamisawa | 6-1,1-6,5-7 |
| UTR Pro Miki | 2023/04/13 04:30 | Taketo Takamisawa v Kento Tagashira | 6-2,6-3 |
| UTR Pro Miki | 2023/04/12 00:30 | Taketo Takamisawa v Ryotaro Matsumura | 6-4,2-6,4-6 |
| Challenger Busan | 2023/05/08 02:00 | Daisuke Sumizawa v Woobin Shin | 6-2,3-6,2-6 |
| Challenger Gwangju | 2023/04/30 04:10 | Daniel Masur v Daisuke Sumizawa | 6-0,6-4 |
| 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 |