Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| 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 - 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 Chengdu | 2019/07/30 03:35 | Jie Cui v Alafia Ayeni | 6-2,6-1 |
| Challenger - Nur-Sultan | 2019/07/16 10:35 | Evgeny Donskoy v Alafia Ayeni | 6-2,6-3 |
| Challenger - Nur-Sultan | 2019/07/15 10:25 | Alafia Ayeni v Sergey Fomin | 6-4,6-4 |
| ITF - M25 Ajaccio | 2019/07/12 15:35 | Alafia Ayeni v Quentin Robert | 3-6,3-6 |
| ITF - M25 Ajaccio | 2019/07/11 13:30 | Alafia Ayeni v Lilian Prod'homme | 6-0,6-2 |
| ITF - M25 Bakio | 2019/07/03 15:00 | Pablo Vivero Gonzalez v Alafia Ayeni | 6-1,6-3 |
| ITF M25 Palma del Rio | 2019/06/26 18:00 | Alberto Barroso Campos v Alafia Ayeni | 6-2,3-6,7-5 |
| ITF - M25 Bacau | 2019/05/28 14:10 | Nicolae Frunza v Alafia Ayeni | 6-1,6-4 |