Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF Hong Kong F1 | 2018/06/26 03:15 | Wei-De Lin v Jumpei Yamasaki | 3-6,3-6 |
| ITF Hong Kong F2 Qual | 2016/06/12 22:00 | Jumpei Yamasaki v Wei-De Lin | 6-3,6-1 |
| Challenger Kaohsiung | 2018/09/16 03:40 | Akira Santillan v Wei-De Lin | 6-0,6-1 |
| Challenger Kaohsiung | 2018/09/15 02:00 | Wei-De Lin v Tsung-Hao Huang | 6-4,6-3 |
| ITF Thailand F2 | 2018/08/26 05:30 | Wei-De Lin v Akanit Pumjit | 4-6,1-6 |
| ITF Thailand F1 | 2018/08/21 02:00 | Phongsapak Kerdlaphee v Wei-De Lin | 6-7,6-3,6-2 |
| ITF Thailand F1 | 2018/08/20 02:00 | Wei-De Lin v Alex Hunt | 6-4,6-1 |
| ITF Thailand F1 | 2018/08/19 03:10 | Wei-De Lin v Pawin Jirapoomdaje | 6-3,6-0 |
| ITF Chinese Taipei F2 | 2018/07/28 02:00 | Chun Hsin Tseng v Wei-De Lin | 6-3,6-2 |
| ITF Chinese Taipei F2 | 2018/07/27 02:00 | Francesco Vilardo v Wei-De Lin | 6-3,4-6,3-6 |
| Challenger Kaohsiung | 2018/09/16 03:00 | Yuichi Sugita v Jumpei Yamasaki | 6-2,7-5 |
| Challenger Shanghai | 2018/09/09 03:00 | Tung-Lin Wu v Jumpei Yamasaki | 6-2,6-2 |
| Challenger Shanghai | 2018/09/08 03:00 | Abhinav Sanjeev Shanmugam v Jumpei Yamasaki | 4-6,7-6,3-6 |
| ITF Korea F5 | 2018/08/21 03:00 | Jumpei Yamasaki v Oh-Hee Kwon | 4-6,4-6 |
| ITF Korea F5 | 2018/08/20 01:00 | Jumpei Yamasaki v Jungwon Park | 6-4,6-0 |
| ITF Korea F5 | 2018/08/18 02:00 | Jumpei Yamasaki v Dukyoung Kim | 6-4,6-4 |
| Challenger Gwangju Qual | 2018/08/12 01:30 | Yecong He v Jumpei Yamasaki | 6-2,6-4 |
| Challenger Gwangju Qual | 2018/08/11 01:30 | Fajing Sun v Jumpei Yamasaki | 1-6,6-2,2-6 |