| ITF M15 Kashiwa | 2025/04/04 03:15 | Daisuke Sumizawa v Shunsuke Nakagawa | 6-7,6-2,2-6 |
| ITF M15 Kashiwa | 2025/04/01 05:41 | Daisuke Sumizawa v Hiromasa Koyama | 6-2,4-5 |
| ITF M15 Hinode | 2025/03/13 06:22 | Daisuke Sumizawa v Takuya Kumasaka | 6-3,3-6,5-7 |
| ITF M15 Hinode | 2025/03/13 01:00 | Ryusuke Horiuchi v Daisuke Sumizawa | 2-6,2-6 |
| ITF M15 Maanshan | 2025/03/05 03:30 | Woobin Shin v Daisuke Sumizawa | 6-4,6-4 |
| ITF M15 Maanshan | 2025/02/26 03:30 | Koki Matsuda v Daisuke Sumizawa | 6-2,6-4 |
| UTR Pro Yokohama | 2025/02/04 03:25 | Daisuke Sumizawa v Christopher Kosei Ono | 6-3,4-6,6-7 |
| UTR Pro Yokohama | 2025/02/03 04:15 | Arjun Mehrotra v Daisuke Sumizawa | 5-7,6-4,7-6 |
| Challenger Hersonissos | 2025/03/11 14:20 | Oleksii Krutykh v Kasidit Samrej | 3-6,1-6 |
| Challenger Hersonissos | 2025/03/10 09:30 | Kasidit Samrej v Alexandr Binda | 6-4,6-4 |
| Challenger Hersonissos Qual | 2025/03/09 14:05 | Kasidit Samrej v Erik Grevelius | 6-2,6-0 |
| Challenger Bengaluru | 2025/02/25 09:10 | Kasidit Samrej v Jay Clarke | 1-6,0-6 |
| Challenger Bengaluru | 2025/02/24 05:30 | Jacopo Berrettini v Kasidit Samrej | 2-6,6-2,6-7 |
| Challenger Bengaluru | 2025/02/23 05:30 | Mitsuki Wei Kang Leong v Kasidit Samrej | 4-6,6-7 |
| Challenger Pune | 2025/02/16 08:50 | Kasidit Samrej v Masamichi Imamura | 6-3,6-7,4-6 |
| Davis Cup | 2025/01/31 12:56 | Stylianos Christodoulou v Kasidit Samrej | 1-6,6-0,6-4 |