Stadium: Center Court A Round: 27 Ground: Hardcourt outdoor
| ITF M25 Takasaki | 2023/09/22 01:00 | Naoki Nakagawa v Hikaru Shiraishi | 1-6,6-0,7-5 |
| ITF M25 Sapporo | 2024/09/05 01:00 | Hikaru Shiraishi v Kousuke Ogura | 3-6,6-1,6-3 |
| ITF M25 Sapporo | 2024/09/03 01:00 | Hikaru Shiraishi v Yuki Mochizuki | 6-2,5-7,6-2 |
| ITF M25 Taipei | 2024/08/06 02:00 | Arthur Weber v Hikaru Shiraishi | 6-2,6-2 |
| ITF M25 Taipei | 2024/08/01 03:45 | Arthur Weber v Hikaru Shiraishi | 6-2,7-5 |
| ITF M25 Taipei | 2024/07/31 02:00 | Hikaru Shiraishi v Taiyo Yamanaka | 6-4,6-2 |
| ITF M15 Tokyo | 2024/07/11 01:50 | Woobin Shin v Hikaru Shiraishi | 6-4,6-4 |
| ITF M15 Tokyo | 2024/07/10 04:10 | Tatsuma Ito v Hikaru Shiraishi | 6-4,6-7,6-7 |
| ITF M15 Tokyo | 2024/07/02 04:40 | Shu Matsuoka v Hikaru Shiraishi | 6-2,6-4 |
| ITF M25 Sapporo | 2024/09/05 05:30 | Ryotaro Matsumura v Naoki Nakagawa | 7-5,2-6,3-6 |
| ITF M25 Sapporo | 2024/09/03 00:45 | Hayato Matsuoka v Naoki Nakagawa | 2-6,4-6 |
| Challenger Santo Domingo | 2024/08/12 16:05 | Naoki Nakagawa v Christian Langmo | 6-7,4-6 |
| Challenger Santo Domingo | 2024/08/11 19:10 | Naoki Nakagawa v Enmanuel Munoz | 6-2,6-2 |
| Challenger Lincoln | 2024/08/05 16:00 | Naoki Nakagawa v Jack Pinnington Jones | 2-6,6-1,1-6 |
| Challenger Lincoln | 2024/08/04 15:00 | Naoki Nakagawa v Niki Kaliyanda Poonacha | 6-3,6-2 |
| Challenger Lexington | 2024/07/29 14:35 | Naoki Nakagawa v Joshua Lapadat | 3-6,6-2,4-6 |
| Challenger Chicago | 2024/07/22 16:00 | Naoki Nakagawa v Michael Zheng | 5-7,4-6 |