Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| Shenzhen, Simples M-ITF-CHN-09A | 2019/06/12 02:00 | Rochette, Laurent v Wei-De Lin | 6-4,6-4 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/06/04 05:35 | Wei-De Lin v Becroft, Isaac | 2-6,6-1,10-12 |
| Hong Kong, Simples M-ITF-HKG-04A | 2019/06/03 03:30 | Wei-De Lin v Bastola, Abhishek | 6-4,6-4 |
| Luzhou, Simples M-ITF-CHN-07A | 2019/05/28 06:00 | Wei-De Lin v Ray Ho | 4-6,6-7 |
| Kofu, Qualifications Simples M-ITF-JPN-03A | 2019/03/18 05:30 | Tomohiro Masabayashi v Wei-De Lin | 6-1,6-2 |
| ITF M15 Anning | 2019/01/09 06:00 | Wei-De Lin v Chandrasekar, Anirudh | 3-6,4-6 |
| ITF M15 Anning | 2019/01/07 04:00 | Wei-De Lin v Li, Jianhui | 6-3,6-4 |
| ITF M15 Anning | 2019/01/07 01:30 | Wei-De Lin v RunYu Zhao | 7-5,6-2 |
| ITF - M15 Héraklion | 2019/05/29 11:20 | Kalovelonis, Markos v Lo, Chien Hsun | 6-3,7-6 |
| ITF - M15 Héraklion | 2019/05/21 08:35 | Nema, Patrik v Lo, Chien Hsun | 6-4,6-3 |
| Nanchang, China | 2019/04/22 04:00 | Akira Santillan v Lo, Chien Hsun | 6-1,6-2 |
| Taipei, Chinese Taipei | 2019/04/11 06:30 | Ramkumar Ramanathan v Lo, Chien Hsun | 4-6,6-3,6-2 |
| Taipei, Chinese Taipei | 2019/04/08 09:40 | Collin Altamirano v Lo, Chien Hsun | 5-7,7-5,3-6 |
| ITF - M15 Sharm El Sheikh | 2019/03/19 08:00 | Lo, Chien Hsun v Maiga, Riccardo | 6-7,6-3,6-7 |
| ITF - M15 Sharm El Sheikh | 2019/03/13 13:05 | Adrian Bodmer v Lo, Chien Hsun | 6-7,7-5,7-5 |
| ITF - M15 Sharm El Sheikh | 2019/03/07 10:20 | Moundir, Adam v Lo, Chien Hsun | 6-4,6-2 |