Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF M15 Kuala Lumpur | 2023/12/01 02:00 | Yeongseok Jeong v Kokoro Isomura | 6-2,7-5 |
| ITF M15 Kuala Lumpur | 2023/11/29 04:30 | Daniel Leong Prickett v Kokoro Isomura | 3-6,6-4,3-6 |
| ITF M15 Ipoh Perak | 2023/11/22 01:30 | Kokoro Isomura v Yuta Kawahashi | 3-6,6-1,0-6 |
| ITF M15 Kuching | 2023/11/17 02:00 | Kokoro Isomura v Alexey Zakharov | 2-6,1-6 |
| ITF M15 Kuching | 2023/11/16 04:05 | Takuya Kumasaka v Kokoro Isomura | 3-6,6-3,6-7 |
| ITF M15 Kuching | 2023/11/14 03:00 | Kokoro Isomura v Mitsuki Wei Kang Leong | 6-2,6-0 |
| ITF M25 Cairns | 2023/10/13 01:00 | Blake Mott v Kokoro Isomura | 7-5,6-0 |
| ITF M25 Cairns | 2023/10/12 00:00 | Kokoro Isomura v Shuichi Sekiguchi | 6-4,4-6,6-3 |
| ITF M25 Kashiwa | 2022/09/27 04:30 | Kosuke Morita v Renta Tokuda | 1-6,3-6 |
| ITF M25 Kashiwa | 2022/09/26 02:45 | Taketo Takamisawa v Kosuke Morita | 1-6,6-4,5-10 |