Stadium: Center Court Round: 24 Ground: Hardcourt outdoor
| 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 Nur-Sultan | 2019/07/18 05:00 | Yunseong Chung v Goncalo Oliveira | 6-7,7-5,6-4 |
| Challenger Nur-Sultan | 2019/07/17 05:00 | Yunseong Chung v Edan Leshem | 6-4,4-6,6-4 |
| Challenger Shanghai | 2019/09/10 02:30 | Miliaan Niesten v Makoto Ochi | 4-6,2-6 |
| Challenger Pune | 2018/11/18 08:25 | Lucas Gerch v Miliaan Niesten | 3-6,6-4,6-4 |
| Challenger Pune | 2018/11/17 07:30 | Miliaan Niesten v Dhruv Sunish | 6-4,6-3 |
| Challenger Bangalore | 2018/11/10 08:10 | Miliaan Niesten v Antoine Escoffier | 2-6,6-3,4-6 |
| Challenger Shenzhen 2 | 2018/10/27 03:25 | Miliaan Niesten v Khumoyun Sultanov | 1-6,2-6 |
| Challenger Liuzhou | 2018/10/20 02:30 | Miliaan Niesten v Zsombor Piros | 7-6,4-6,6-7 |
| Challenger Ningbo | 2018/10/13 04:30 | Miliaan Niesten v Kaito Uesugi | 5-7,4-6 |
| Challenger Jinan | 2018/08/06 02:00 | Yan Bai v Miliaan Niesten | 6-2,7-5 |