Stadium: Court 5 Round: 44 Ground: Hardcourt outdoor
| ITF - W15 Sharm El Sheikh | 2019/11/20 13:20 | Jeong, Yeong Won v Zawadzka, Joanna | 3-6,6-4,2-6 |
| ITF - W15 Sharm El Sheikh | 2019/11/13 12:05 | Sandra Samir v Jeong, Yeong Won | 6-3,6-2 |
| WTA Seoul | 2019/09/14 04:10 | Jeong, Yeong Won v Cristian, Jaqueline Adina | 1-6,0-6 |
| ITF W15 Yeongwol | 2019/09/04 04:35 | Jeong, Yeong Won v Momkoonthod, Tamachan | 6-4,0-6,0-6 |
| ITF W15 Yeongwol | 2019/08/27 04:00 | Lee, So-Ra v Jeong, Yeong Won | 6-3,6-4 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/11 05:00 | Jeong, Yeong Won v Olga Helmi | 4-6,2-6 |
| ITF W25 Incheon | 2019/05/28 01:00 | Chanel Simmonds v Jeong, Yeong Won | 6-2,6-3 |
| ITF W25 Incheon | 2019/05/27 05:25 | Yun, Hyeran v Jeong, Yeong Won | 6-7,3-6 |
| ITF - W15 Monastir | 2021/08/23 15:30 | Qostal, Lina v Nicole Poj | 6-2,6-1 |
| ITF - W15 Monastir | 2021/08/22 14:30 | Qostal, Lina v Glanzer, Daniela | 6-1,6-2 |
| ITF - W15 Monastir | 2021/08/15 13:30 | Qostal, Lina v Giuliana Bestetti | 7-6,5-7,9-11 |
| ITF - W15 Monastir | 2021/08/09 10:30 | Tara Malik v Qostal, Lina | 4-6,6-2,10-3 |
| ITF - W15 Monastir | 2021/08/08 14:00 | Qostal, Lina v Dercksen, Marne | 6-1,6-4 |
| ITF - W15 Monastir | 2021/08/03 08:30 | Parazinskaite, Akvile v Qostal, Lina | 6-0,6-2 |
| ITF - W15 Monastir | 2021/08/02 15:00 | Alyssa Reguer v Qostal, Lina | 2-6,4-6 |
| ITF - W15 Monastir | 2021/07/11 15:00 | Lara Pfeifer v Qostal, Lina | 6-2,6-2 |