Stadium: Court 4 Round: 26 Ground: Clay
| ITF M15 Karuizawa | 2023/05/31 04:35 | Sora Fukuda v Kenta Miyoshi | 7-6,6-4 |
| ITF M25 Kashiwa | 2023/04/05 08:15 | Kaito Uesugi v Sora Fukuda | 2-6,6-2,6-2 |
| ITF M25 Tsukuba | 2023/03/29 02:30 | Rimpei Kawakami v Sora Fukuda | 3-6,6-4,6-4 |
| ITF M25 Tsukuba | 2023/03/27 03:00 | Yuichiro Inui v Sora Fukuda | 0-6,4-6 |
| UTR Pro Miki | 2023/02/12 00:30 | Sora Fukuda v Yuta Kawahashi | 6-2,5-0 |
| UTR Pro Miki | 2023/02/11 03:45 | Sora Fukuda v Lennon Jones | 6-4,6-2 |
| UTR Pro Miki | 2023/02/09 02:00 | Sora Fukuda v Riki Takahata | 6-2,6-2 |
| UTR Pro Miki | 2023/02/08 02:00 | Sora Fukuda v Tomohiro Masabayashi | 6-4,6-4 |
| ITF M15 Karuizawa | 2023/05/30 07:35 | Taketo Takamisawa v Daisuke Sumizawa | 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 |