Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF China F5 | 2018/05/10 03:00 | Kim, Cheong-Eui v Jumpei Yamasaki | 2-6,5-7 |
| ITF China F5 | 2018/05/09 02:00 | Zou, Weibowen v Jumpei Yamasaki | 0-6,0-6 |
| ITF Vietnam F1 | 2018/05/03 03:00 | Chun Hsin Tseng v Jumpei Yamasaki | 6-2,6-3 |
| ITF Vietnam F1 | 2018/05/02 03:00 | Niki Kaliyanda Poonacha v Jumpei Yamasaki | 4-6,6-3,1-6 |
| ITF Vietnam F1 | 2018/04/30 06:15 | Barki, Justin v Jumpei Yamasaki | 4-6,4-6 |
| ITF Japan F6 | 2018/04/13 03:15 | Renta Tokuda v Jumpei Yamasaki | 4-6,6-2,6-4 |
| ITF Japan F6 | 2018/04/12 01:00 | Jumpei Yamasaki v Gao, Xin | 3-6,7-6,6-4 |
| ITF Japan F6 | 2018/04/10 01:00 | Jumpei Yamasaki v Kibi, Yuya | 7-6,6-1 |
| ITF China F5 | 2018/05/10 04:35 | Reinwein, Sami v Kuan-Yi Lee | 3-6,2-6 |
| ITF China F5 | 2018/05/09 03:30 | Tan, Li-Wie v Kuan-Yi Lee | 5-7,1-6 |
| Challenger Taipei Qual | 2018/04/07 07:40 | Wang, Jimmy v Kuan-Yi Lee | 6-3,6-1 |
| ITF Japan F4 | 2018/03/31 02:30 | Kuan-Yi Lee v Renta Tokuda | 0-6,2-6 |
| ITF Japan F4 | 2018/03/30 01:00 | Kuan-Yi Lee v Shintaro Imai | 6-1,2-6,6-3 |
| ITF Japan F4 | 2018/03/29 01:00 | Kuan-Yi Lee v Hong, Seong Chan | 6-1,3-6,6-4 |
| ITF Japan F4 | 2018/03/28 04:15 | Zhe Li v Kuan-Yi Lee | 7-5,2-6,1-6 |
| ITF Japan F3 | 2018/03/19 05:20 | Kuan-Yi Lee v Song, Min-Kyu | 6-1,3-6,4-6 |