Stadium: Court 5 Round: 28 Ground: Hardcourt indoor
| ITF M25 Champaign | 2023/07/19 14:55 | Karlis Ozolins v Naoki Nakagawa | 3-6,0-6 |
| ITF M15 Tokyo | 2024/07/05 02:00 | Naoki Nakagawa v Jeamoon Lee | 6-2,6-4 |
| ITF M15 Tokyo | 2024/07/04 02:00 | Naoki Nakagawa v Ryotaro Matsumura | 7-6,3-6,6-1 |
| ITF M15 Tokyo | 2024/07/02 05:05 | Naoki Nakagawa v Taki Adachi | 6-1,6-3 |
| ITF M25 Changwon | 2024/06/22 04:00 | Naoki Nakagawa v Masamichi Imamura | 5-7,2-6 |
| ITF M25 Changwon | 2024/06/21 01:50 | Naoki Nakagawa v Chan-Yeong Oh | 6-7,6-0,6-2 |
| ITF M25 Changwon | 2024/06/20 01:00 | Naoki Nakagawa v Woobin Shin | 7-5,7-6 |
| ITF M25 Changwon | 2024/06/19 04:50 | Naoki Nakagawa v Geun Jun Kim | 6-2,6-4 |
| ITF M25 Quinta Do Lago | 2024/03/05 15:05 | Gianmarco Ferrari v Naoki Nakagawa | 1-6,3-6 |
| ITF M15 Tokyo | 2024/07/05 03:45 | Yusuke Takahashi v Karlis Ozolins | 5-7,1-6 |
| ITF M15 Tokyo | 2024/07/04 03:25 | Woobin Shin v Karlis Ozolins | 3-6,4-6 |
| ITF M15 Tokyo | 2024/07/03 02:00 | Karlis Ozolins v Shintaro Imai | 6-3,7-5 |
| ITF M15 Tokyo | 2024/07/02 03:05 | Karlis Ozolins v Hong-Lin Fu | 6-4,6-2 |
| ITF M15 Tokyo | 2024/07/01 03:30 | Karlis Ozolins v Hiroki Sakagawa | 6-0,6-3 |
| ITF M25 Changwon | 2024/06/19 02:40 | Karlis Ozolins v Sanhui Shin | 6-7,3-6 |
| ITF M15 Anseong | 2024/06/16 01:00 | Sanhui Shin v Karlis Ozolins | 6-7,0-6 |
| ITF M15 Anseong | 2024/06/15 02:00 | Karlis Ozolins v Chase Ferguson | 6-3,6-2 |