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 |
| ITF M25 Takasaki | 2024/09/18 03:30 | Ryota Tanuma v Yusuke Takahashi | 2-6,2-6 |
| ITF M25 Takasaki | 2024/09/16 01:00 | Ryota Tanuma v Noritaka Koizumi | 6-2,6-7,10-4 |
| ITF M25 Sapporo | 2024/09/11 03:00 | Ryota Tanuma v Ryotaro Taguchi | 3-6,6-4,5-7 |
| ITF M25 Nakhon Si Thammarat | 2024/08/29 03:15 | Ryota Tanuma v Uisung Park | 6-7,3-6 |
| ITF M25 Nakhon Si Thammarat | 2024/08/27 02:00 | Hiroki Moriya v Ryota Tanuma | 0-6,6-4,3-6 |
| ITF M15 Nakhon Si Thammarat | 2024/08/20 04:05 | Ryota Tanuma v Leo Borg | 1-6,3-6 |
| ITF M15 Tokyo | 2024/07/13 05:30 | Ryota Tanuma v Shintaro Imai | 3-6,5-7 |
| ITF M15 Tokyo | 2024/07/12 04:05 | Ryota Tanuma v Taisei Ichikawa | 3-6,7-6,6-2 |