Stadium: Center Court Round: 24 Ground: Hardcourt outdoor
| Challenger Nottingham | 2019/06/11 18:40 | Jack Draper v Yunseong Chung | 5-7,6-0,6-2 |
| Challenger Surbiton | 2019/06/05 13:15 | Yunseong Chung v Peter Polansky | 3-6,3-6 |
| Challenger Surbiton | 2019/06/04 10:00 | Andrew Watson v Yunseong Chung | 2-6,2-6 |
| Challenger Gwangju | 2019/05/16 05:45 | Yunseong Chung v Evgeny Donskoy | 5-7,4-6 |
| Challenger Gwangju | 2019/05/15 03:40 | Duckhee Lee v Yunseong Chung | 4-6,2-6 |
| Challenger Gwangju | 2019/05/14 05:00 | Jeamoon Lee v Yunseong Chung | 6-7,2-6 |
| Challenger Busan | 2019/05/10 07:05 | Ricardas Berankis v Yunseong Chung | 5-7,6-3,6-4 |
| Challenger Busan | 2019/05/09 06:45 | Yunseong Chung v Marcos Baghdatis | 6-2,6-3 |
| 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 |
| Challenger Jinan | 2018/08/05 03:45 | Miliaan Niesten v Benjamin Lock | 6-4,6-3 |