Ground: Hardcourt outdoor
| ITF M15 Yanagawa | 2024/10/29 00:30 | Ko Nagashima v Yuhei Kono | 3-6,1-6 |
| ITF M15 Yanagawa | 2024/10/28 04:00 | Jay Lin Gibson v Ko Nagashima | 6-2,5-7,3-10 |
| ITF M15 Tanagura | 2024/10/22 02:15 | Seungmin Park v Ko Nagashima | 6-2,6-3 |
| UTR Pro Kawaguchi | 2024/08/17 04:18 | Taketo Takamisawa v Ko Nagashima | 6-4,6-3 |
| UTR Pro Kawaguchi | 2024/08/15 10:30 | Ko Nagashima v Koki Takada | 6-3,6-0 |
| UTR Pro Kawaguchi | 2024/08/14 23:30 | Ko Nagashima v Sora Fukuda | 2-6,2-6 |
| UTR Pro Kawaguchi | 2024/08/14 02:48 | Yuta Kikuchi v Ko Nagashima | 6-0,6-2 |
| UTR Pro Kawaguchi | 2024/08/13 01:00 | Yuta Tomida v Ko Nagashima | 6-4,6-1 |