Stadium: Centre Court Round: 25 Ground: Hardcourt outdoor
| ITF Women Daegu | 2018/06/20 02:50 | Yeong Won Jeong v Ya-Hsuan Lee | 0-6,7-6,2-6 |
| ITF W25 Osaka | 2019/04/09 05:00 | Ya-Hsuan Lee v Akiko Omae | 6-4,6-7,2-6 |
| ITF W25 Kashiwa | 2019/04/02 01:55 | Haruka Kaji v Ya-Hsuan Lee | 6-3,6-1 |
| ITF W25 Kofu | 2019/03/25 01:30 | Ya-Hsuan Lee v Emina Bektas | 4-6,4-6 |
| ITF W25 Kofu | 2019/03/25 00:30 | Ya-Hsuan Lee v Sae Haraguchi | 6-2,6-0 |
| ITF W25 Kofu | 2019/03/18 04:30 | Ya-Hsuan Lee v Stephanie Wagner | 1-6,0-6 |
| ITF W25 Kofu | 2019/03/18 00:30 | Ya-Hsuan Lee v Catherine Harrison | 6-3,4-6,14-12 |
| ITF W60 Kyoto | 2019/02/20 02:00 | Ya-Hsuan Lee v Akiko Omae | 6-7,6-7 |
| ITF W25 Singapore | 2019/01/21 03:00 | Ya-Hsuan Lee v Eudice Chong | 0-6,5-7 |
| ITF W25 Changwon | 2019/05/14 01:00 | Yeong Won Jeong v Dayeon Back | 6-4,6-1 |
| ITF W25 Changwon | 2019/05/13 04:15 | Yeong Won Jeong v Su Yeon Chun | 6-0,6-2 |
| ITF Women Antalya | 2018/12/14 10:05 | Yeong Won Jeong v Monica Robinson | 6-3,6-2 |
| ITF Women Antalya | 2018/12/13 10:25 | Utaka Kishigami v Yeong Won Jeong | 4-6,6-4,2-6 |
| ITF Women Antalya | 2018/12/12 09:45 | Anastasia Sukhotina v Yeong Won Jeong | 7-6,2-6,3-6 |
| ITF Women Antalya | 2018/12/10 11:05 | Yeong Won Jeong v Kiara Petrovicka | 6-1,6-3 |
| ITF Women Antalya | 2018/12/09 06:30 | Yeong Won Jeong v Paula M Onita | 6-3,6-0 |
| ITF Women Antalya | 2018/12/08 10:00 | Yeong Won Jeong v Dia Evtimova | 3-6,3-6 |