Ground: Hardcourt outdoor
| UTR Pro Kawaguchi | 2024/06/19 07:40 | Christopher Kosei Ono v Payton Jim on | 6-1,5-0 |
| UTR Pro Kawaguchi | 2024/06/19 01:30 | Christopher Kosei Ono v Hikaru Shiraishi | 1-6,1-6 |
| UTR Pro Kawaguchi | 2024/06/17 00:00 | Taiyo Kurata v Christopher Kosei Ono | 4-6,6-1,6-7 |
| UTR Pro Urayasu | 2024/05/11 03:15 | Kotaro Mochizuki v Christopher Kosei Ono | 6-3,6-4 |
| UTR Pro Urayasu | 2024/05/10 00:00 | Yusuke Yoshikawa v Christopher Kosei Ono | 6-1,7-6 |
| UTR Pro Urayasu | 2024/05/08 03:30 | Yuki Mochizuki v Christopher Kosei Ono | 4-6,6-2,6-2 |
| UTR Pro Urayasu | 2024/05/06 04:30 | Hamish Bartos v Christopher Kosei Ono | 5-7,3-6 |
| UTR Pro Kawaguchi | 2024/03/09 00:00 | Rei Sato v Christopher Kosei Ono | 3-6,7-6,6-7 |
| ITF M15 Karuizawa | 2024/05/26 01:00 | Taketo Takamisawa v Mao Takada | 6-4,7-5 |
| ITF M15 Hinode | 2024/03/11 01:00 | Ryotaro Matsumura v Mao Takada | 6-2,6-0 |
| ITF M15 Hinode | 2024/03/10 05:00 | Tsz Fu Wong v Mao Takada | 3-6,6-2,7-10 |
| ITF M25 Takasaki | 2023/09/17 01:00 | Mao Takada v Ko Suzuki | 3-6,4-6 |
| ITF M25 Sapporo | 2023/09/10 01:00 | Mao Takada v Ko Suzuki | 1-6,3-6 |
| ITF M15 Nakhon Si Thammarat Qual | 2023/07/16 08:05 | Cooper Wilkinson v Mao Takada | 6-4,6-4 |
| ITF M15 Nakhon Si Thammarat Qual | 2023/07/09 06:10 | Patorn Hanchaikul v Mao Takada | 6-3,6-3 |
| ITF M15 Nakhon Si Thammarat | 2023/07/02 02:00 | Chase Ferguson v Mao Takada | 6-4,6-4 |