Stadium: Court 3 Round: 27 Ground: Hardcourt outdoor
| ITF Chinese Taipei F1 | 2018/07/19 02:00 | Bang Shuo Yin v Kawahashi, Yuta | 6-3,1-6,2-6 |
| ITF Chinese Taipei F1 | 2018/07/17 03:50 | Kawahashi, Yuta v Barclay, David | 6-3,6-3 |
| ITF Japan F7 | 2018/06/07 03:50 | Inoue, Haru v Kawahashi, Yuta | 6-3,4-6,7-6 |
| ITF Japan F7 | 2018/06/04 01:00 | Kawakami, Rimpei v Kawahashi, Yuta | 4-6,3-6 |
| ITF Japan F5 | 2018/04/04 05:35 | Kawahashi, Yuta v Ryota Tanuma | 6-3,1-6,4-6 |
| ITF Japan F5 | 2018/04/03 05:35 | Duckhee Lee v Kawahashi, Yuta | 6-7,6-7 |
| ITF Japan F5 | 2018/03/31 03:30 | Issei Okamura v Kawahashi, Yuta | 3-6,1-6 |
| ITF Japan F4 | 2018/03/27 01:00 | Kawahashi, Yuta v Shintaro Imai | 3-6,3-6 |
| ITF Chinese Taipei F1 | 2018/07/17 02:00 | Cing-Yang Meng v Michael Zhu | 0-6,3-6 |
| ITF China F10 | 2018/07/12 03:00 | Tung-Lin Wu v Michael Zhu | 6-2,7-5 |
| ITF China F10 | 2018/07/10 02:00 | Michael Zhu v Zhou, Zhe | 6-0,6-3 |
| ITF Hong Kong F2 | 2018/07/02 02:00 | Michael Zhu v Tang, Anthony Jackie | 2-6,3-6 |
| ITF Hong Kong F1 | 2018/06/27 03:40 | Michael Zhu v Hong Kit Wong | 6-4,2-6,3-6 |
| ITF Hong Kong F1 | 2018/06/26 03:40 | Hu, Nicholas S v Michael Zhu | 4-6,3-6 |
| ITF Korea F3 | 2018/06/18 01:00 | Song, Min-Kyu v Michael Zhu | 6-4,6-2 |
| ITF Korea F2 | 2018/06/14 01:00 | Kim, Cheong-Eui v Michael Zhu | 6-1,6-2 |