Stadium: Center Court Round: 25 Ground: Hardcourt outdoor
| Challenger Kaohsiung | 2019/09/16 01:30 | Jumpei Yamasaki v Tsai, Chang-Lin | 6-3,6-1 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/22 02:00 | Tsai, Chang-Lin v Kousuke Ogura | 7-6,3-6,4-10 |
| Taipei, Singles M-ITF-TPE-01A | 2019/07/16 06:25 | Tsai, Chang-Lin v Yusuke Takahashi | 6-7,1-6 |
| Challenger - Taipei | 2019/04/08 02:00 | Balaji, N. Sriram v Tsai, Chang-Lin | 6-3,6-4 |
| ITF Chinese Taipei F1 | 2018/07/17 03:55 | Tsai, Chang-Lin v Tung-Lin Wu | 2-6,4-6 |
| Coupe Davis | 2019/09/14 04:50 | Zhe Li v Nam, Ji Sung | 6-7,6-7 |
| Jinan, China | 2019/09/03 04:45 | Nedelko, Ivan v Nam, Ji Sung | 4-6,7-5,6-3 |
| Baotou, Chine | 2019/08/29 02:00 | Nam, Ji Sung v Yan Bai | 3-6,6-4,5-7 |
| Baotou, Chine | 2019/08/27 05:40 | Nam, Ji Sung v Arjun Kadhe | 6-3,6-3 |
| Challenger Yokkaichi | 2019/08/09 04:30 | Sho Shimabukuro v Nam, Ji Sung | 6-7,6-3,6-2 |
| Challenger Yokkaichi | 2019/08/08 03:20 | Nam, Ji Sung v Hiroki Moriya | 6-2,5-7,7-6 |
| Challenger Yokkaichi | 2019/08/06 04:35 | Nam, Ji Sung v Jumpei Yamasaki | 6-3,6-2 |
| Chengdu, China | 2019/08/02 04:00 | Nam, Ji Sung v Chung, Hyeon | 6-7,6-1,3-6 |