Ground: Hardcourt indoor
| Challenger Guangzhou | 2025/04/28 02:00 | Kasidit Samrej v Ye Cong Mo | 2-6,4-6 |
| Challenger Guangzhou | 2025/04/27 04:50 | Kasidit Samrej v Linang Xiao | 6-7,6-4,6-4 |
| Challenger Gwangju | 2025/04/21 04:00 | Rio Noguchi v Kasidit Samrej | 6-4,6-4 |
| Challenger Gwangju | 2025/04/20 07:10 | Kasidit Samrej v Fajing Sun | 6-7,6-4,7-5 |
| Challenger Busan | 2025/04/13 05:30 | Kasidit Samrej v Petr Bar Biryukov | 4-6,7-6,5-7 |
| 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 |
| ITF M15 Osaka | 2025/04/26 03:30 | Yusuke Takahashi v Koki Matsuda | 1-6,6-2,7-6 |
| ITF M15 Osaka | 2025/04/25 02:30 | Sora Fukuda v Koki Matsuda | 6-7,6-4,4-6 |
| ITF M15 Osaka | 2025/04/24 02:30 | Koki Matsuda v Daisuke Sumizawa | 3-6,6-4,7-6 |
| ITF M15 Osaka | 2025/04/23 02:00 | Saki Tange v Koki Matsuda | 2-6,4-6 |
| ITF M15 Osaka | 2025/04/21 02:30 | Koki Matsuda v Hien Q H Pham | 5-7,6-0,1-0 |
| ITF M15 Kashiwa | 2025/04/02 06:00 | Yu Hsiou Hsu v Koki Matsuda | 6-4,6-2 |
| ITF M15 Hinode | 2025/03/13 01:00 | Koki Matsuda v Steffan Van Weldam | 6-3,6-3 |
| ITF M15 Maanshan | 2025/03/05 02:00 | Koki Matsuda v Rigele Te | 6-7,4-6 |