Stadium: Court 16 Round: 14 Ground: Hardcourt outdoor
| Challenger - Sydney | 2023/10/31 00:20 | Hiroki Moriya v Naoki Nakagawa | 6-3,7-6 |
| Challenger Playford | 2023/10/26 02:25 | Seong Chan Hong v Naoki Nakagawa | 6-3,6-3 |
| Challenger Playford | 2023/10/23 04:20 | Blake Mott v Naoki Nakagawa | 7-5,1-6,3-6 |
| ATP Tokyo | 2023/10/14 06:15 | Rinky Hijikata v Naoki Nakagawa | 6-4,7-5 |
| ITF M25 Takasaki | 2023/09/24 02:00 | Naoki Nakagawa v Makoto Ochi | 6-2,7-6 |
| ITF M25 Takasaki | 2023/09/23 01:40 | Naoki Nakagawa v Sora Fukuda | 7-5,6-3 |
| ITF M25 Takasaki | 2023/09/22 01:00 | Naoki Nakagawa v Hikaru Shiraishi | 1-6,6-0,7-5 |
| ITF M25 Takasaki | 2023/09/21 03:15 | Naoki Nakagawa v Daisuke Sumizawa | 7-5,6-4 |
| UTR Pro Miki | 2023/04/16 02:00 | Shinde Yuzuki v Yuto Oki | 4-6,6-0,5-7 |
| UTR Pro Miki | 2023/04/15 08:48 | Wakamatsu Taichi v Yuto Oki | 6-4,3-6,6-6 |
| UTR Pro Miki | 2023/04/14 02:00 | Ren Nakamura v Yuto Oki | 6-3,6-0 |
| UTR Pro Miki | 2023/04/13 00:30 | Yudai Umeoka v Yuto Oki | 2-6,0-6 |
| UTR Pro Miki | 2023/04/12 05:09 | Brody Nejedly v Yuto Oki | 3-6,0-6 |
| UTR Pro Miki | 2023/04/10 04:00 | Ryotaro Taguchi v Yuto Oki | 6-1,6-1 |