Stadium: Indoor Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Liuzhou | 2019/10/22 02:00 | Ji Sung Nam v Kaichi Uchida | 6-3,7-6 |
| Challenger Ningbo | 2019/10/17 04:55 | Ji Sung Nam v Bradley Klahn | 6-7,6-7 |
| Challenger Ningbo | 2019/10/16 03:35 | Andrew Harris v Ji Sung Nam | 3-6,5-7 |
| Challenger Ningbo | 2019/10/14 08:25 | Ji Sung Nam v Shuichi Sekiguchi | 6-1,6-1 |
| Challenger Kaohsiung | 2019/09/20 06:50 | Ji Sung Nam v Marc Polmans | 6-3,1-6,4-6 |
| Challenger Kaohsiung | 2019/09/19 03:00 | Ji Sung Nam v Andrew Harris | 6-2,6-2 |
| Challenger Kaohsiung | 2019/09/18 03:30 | Chang-Lin Tsai v Ji Sung Nam | 4-6,1-6 |
| Davis Cup | 2019/09/14 04:50 | Zhe Li v Ji Sung Nam | 6-7,6-7 |
| Challenger Ningbo | 2019/10/17 03:00 | Alejandro Davidovich Fokina v Danilo Petrovic | 6-4,6-3 |
| Challenger Ningbo | 2019/10/16 03:35 | Yunseong Chung v Danilo Petrovic | 3-6,3-6 |
| Challenger Sibiu | 2019/09/22 13:50 | Christopher O'Connell v Danilo Petrovic | 4-6,2-6 |
| Challenger Sibiu | 2019/09/21 09:30 | Danilo Petrovic v Alex Molcan | 6-3,6-3 |
| Challenger Sibiu | 2019/09/20 09:30 | Danilo Petrovic v Laurent Lokoli | 6-4,7-6 |
| Challenger Sibiu | 2019/09/19 08:00 | Danilo Petrovic v Juan Pablo Varillas | 7-6,6-3 |
| Challenger Sibiu | 2019/09/17 11:10 | Robin Haase v Danilo Petrovic | 3-6,2-6 |
| Challenger Sibiu | 2019/09/16 12:10 | Uladzimir Ignatik v Danilo Petrovic | 6-7,4-6 |