Round: 25 Ground: Hardcourt outdoor
| ITF Japan F4 | 2018/03/27 02:30 | Ryohei Tagata v Yuta Shimizu | 4-6,4-6 |
| ITF Japan F3 | 2018/03/17 04:00 | Ryohei Tagata v Masaki Sasai | 5-7,6-3,2-6 |
| ITF Japan F3 | 2018/03/17 00:30 | Ryohei Tagata v Takuya Kumasaka | 6-0,6-2 |
| ITF Japan F4 | 2017/03/25 01:00 | Katsuki Nagao v Ryohei Tagata | 2-6,6-2,6-0 |
| ITF Japan F3 | 2017/03/18 05:00 | Ryohei Tagata v Katsuki Nagao | 3-6,3-6 |
| ITF Japan F1 | 2017/03/04 01:00 | Ryohei Tagata v Teppei Uesugi | 6-1,1-6,3-6 |
| ITF M15 Nishi-Tama | 2019/03/06 02:25 | Sho Katayama v Yuta Kawahashi | 6-3,6-1 |
| ITF M15 Nishi-Tama | 2019/03/05 03:00 | Sho Katayama v Yuta Kawahashi | 4-6,5-7 |
| ITF M15 Nishi-Tama | 2019/03/05 01:00 | Hayato Kudo v Yuta Kawahashi | 2-6,1-6 |
| ITF Chinese Taipei F2 | 2018/07/24 03:30 | Cheng-Yu Yu v Yuta Kawahashi | 7-6,1-6,2-6 |
| ITF Chinese Taipei F1 | 2018/07/20 02:00 | Yuta Kawahashi v Michael Zhu | 6-7,1-6 |
| ITF Chinese Taipei F1 | 2018/07/19 02:00 | Bang Shuo Yin v Yuta Kawahashi | 6-3,1-6,2-6 |
| ITF Chinese Taipei F1 | 2018/07/17 03:50 | Yuta Kawahashi v David Barclay | 6-3,6-3 |
| ITF Japan F7 | 2018/06/07 03:50 | Haru Inoue v Yuta Kawahashi | 6-3,4-6,7-6 |