| ITF M15 Kashiwa | 2024/04/02 05:00 | Daisuke Sumizawa v Koki Matsuda | 6-3,3-6,6-3 |
| ITF M15 Yanagawa | 2023/12/20 07:45 | Daisuke Sumizawa v Koki Matsuda | 5-7,3-6 |
| ITF M25 Sapporo | 2023/09/15 00:55 | Koki Matsuda v Daisuke Sumizawa | 6-0,7-6 |
| ITF M15 Yanagawa | 2024/10/30 03:50 | Koki Matsuda v Yuto Oki | 6-7,2-6 |
| ITF M15 Tanagura | 2024/10/25 00:30 | Koki Matsuda v Taiyo Yamanaka | 4-6,3-6 |
| ITF M15 Tanagura | 2024/10/24 01:40 | Koki Matsuda v Naoya Honda | 6-4,6-3 |
| ITF M15 Tanagura | 2024/10/23 00:30 | Koki Matsuda v Yamato Sueoka | 6-7,6-2,6-4 |
| UTR Pro Urayasu | 2024/10/20 01:00 | Koki Matsuda v Daiki Yoshimura | 4-6,7-5,6-3 |
| UTR Pro Urayasu | 2024/10/19 02:53 | Koki Matsuda v Koki Takada | 6-3,6-1 |
| UTR Pro Urayasu | 2024/10/18 06:00 | Koki Matsuda v Ryusuke Horiuchi | 6-4,6-2 |
| UTR Pro Urayasu | 2024/10/17 02:30 | Koki Matsuda v Vassili Psaltopoulos | 6-2,6-1 |
| ITF M15 Tanagura | 2024/10/25 00:30 | Ryotaro Matsumura v Daisuke Sumizawa | 6-2,6-1 |
| ITF M15 Tanagura | 2024/10/24 05:05 | Seungmin Park v Daisuke Sumizawa | 6-7,1-6 |
| ITF M15 Tanagura | 2024/10/23 00:25 | Credit Chaiyarin v Daisuke Sumizawa | 6-7,4-6 |
| ITF M25 Takasaki | 2024/09/16 03:25 | Daisuke Sumizawa v Yamato Sueoka | 6-0,3-6,3-10 |
| ITF M25 Sapporo | 2024/09/10 01:00 | Keisuke Saitoh v Daisuke Sumizawa | 6-1,6-2 |
| ITF M25 Sapporo | 2024/09/07 02:30 | Naoki Nakagawa v Daisuke Sumizawa | 6-3,6-4 |
| ITF M25 Sapporo | 2024/09/06 03:00 | Jacob Brumm v Daisuke Sumizawa | 6-2,4-6,4-6 |
| ITF M25 Sapporo | 2024/09/05 01:00 | Riku Takahata v Daisuke Sumizawa | 2-6,3-6 |