Stadium: Court 8 Round: 25 Ground: Hardcourt outdoor
| Challenger Ningbo | 2019/10/15 02:00 | Yunseong Chung v Aoran Wang | 1-6,6-2,6-1 |
| Challenger Kaohsiung | 2019/09/17 01:30 | Yunseong Chung v Miliaan Niesten | 4-6,3-6 |
| Challenger Jinan | 2019/09/02 02:00 | Yunseong Chung v Kaichi Uchida | 2-6,4-6 |
| US Open | 2019/08/20 16:20 | Salvatore Caruso v Yunseong Chung | 6-0,6-2 |
| Challenger Yokkaichi | 2019/08/08 02:00 | Yunseong Chung v Saketh Myneni | 3-6,6-3,3-6 |
| Challenger Yokkaichi | 2019/08/06 07:20 | Yunseong Chung v Alafia Ayeni | 7-6,6-3 |
| Challenger Chengdu | 2019/07/31 04:55 | Yunseong Chung v Dayne Kelly | 3-6,6-4,2-6 |
| Challenger Nur-Sultan | 2019/07/19 06:45 | Yunseong Chung v Aleksandar Vukic | 3-6,2-6 |
| 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 |
| Challenger Banja Luka | 2019/09/10 13:25 | Danilo Petrovic v Danylo Kalenichenko | 6-3,5-7,6-7 |
| Challenger Mallorca | 2019/08/26 09:00 | Aaron Cohen v Danilo Petrovic | 3-6,2-6 |