Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| 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 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 Chengdu | 2019/07/29 05:55 | Dayne Kelly v Wishaya Trongcharoenchaikul | 7-6,7-6 |
| ITF M25 Hong Kong | 2019/06/12 02:25 | Dayne Kelly v Agustin Velotti | 4-6,2-6 |
| ITF M15 Singapore | 2019/06/09 03:00 | Dayne Kelly v Aidan Mchugh | 6-3,6-0 |
| ITF M15 Singapore | 2019/06/08 07:00 | Dayne Kelly v Jonathan Gray | 6-3,6-3 |
| ITF M15 Singapore | 2019/06/07 08:30 | Dayne Kelly v Ryota Tanuma | 6-3,6-4 |
| ITF M15 Singapore | 2019/06/06 09:00 | Dayne Kelly v Kazuma Kawachi | 6-3,6-1 |
| ITF M15 Singapore | 2019/06/04 05:10 | Dayne Kelly v Christian Didier Chin | 6-1,6-2 |
| ITF M25 Mildura | 2019/03/10 01:00 | Dayne Kelly v Brydan Klein | 6-1,4-6,6-4 |