Stadium: KPI Park - Court 02 Ground: Hardcourt outdoor
Referee:
| UTR Pro Kawaguchi | 2024/08/13 03:30 | Daisuke Sumizawa v Christopher Kosei Ono | 6-2,6-1 |
| ITF M15 Bali Qual | 2024/12/22 08:10 | Daisuke Sumizawa v Renaldi A A Salim | 6-1,6-0 |
| ITF M25 Carrara | 2024/11/26 00:00 | Daisuke Sumizawa v Ryan Fishback | 6-7,4-6 |
| ITF M25 Caloundra | 2024/11/21 01:00 | Kody Pearson v Daisuke Sumizawa | 5-7,6-1,6-2 |
| ITF M25 Caloundra | 2024/11/19 00:00 | Daisuke Sumizawa v Thomas Braithwaite | 6-3,6-1 |
| ITF M25 Caloundra | 2024/11/18 00:00 | Daisuke Sumizawa v Rohan Hazratwala | 6-4,6-2 |
| 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 |
| UTR Pro Urayasu | 2024/10/20 02:14 | Shinde Yuzuki v Christopher Kosei Ono | 7-5,6-4 |
| UTR Pro Urayasu | 2024/10/19 04:30 | Joel Braund v Christopher Kosei Ono | 2-6,2-6 |
| UTR Pro Urayasu | 2024/10/18 05:00 | Haruki Katsushima v Christopher Kosei Ono | 6-1,6-3 |
| UTR Pro Urayasu | 2024/10/17 02:30 | Takeshi Maruta v Christopher Kosei Ono | 6-4,6-2 |
| UTR Pro Urayasu | 2024/10/14 02:45 | Yusuke Yoshikawa v Christopher Kosei Ono | 4-6,6-1,7-6 |
| UTR Pro Kawaguchi | 2024/08/18 02:11 | Taketo Takamisawa v Christopher Kosei Ono | 2-6,6-3,6-7 |
| UTR Pro Kawaguchi | 2024/08/17 03:56 | Christopher Kosei Ono v Yuki Karatsu | 6-1,6-1 |
| UTR Pro Kawaguchi | 2024/08/15 06:03 | Christopher Kosei Ono v Mao Takada | 6-1,6-2 |