Stadium: Court 7 Round: 25
| ITF Women Daegu Qual | 2018/06/19 01:00 | Sung-Hee Han v Yeong Won Jeong | 3-6,4-6 |
| ITF Women Daegu Qual | 2018/06/18 02:00 | You-Na Sul v Yeong Won Jeong | 3-6,1-6 |
| ITF Women Gyeongsan | 2018/06/13 05:55 | Chisa Hosonuma v Yeong Won Jeong | 4-6,3-6 |
| ITF Women Gyeongsan Qual | 2018/06/12 01:00 | Yeong Won Jeong v Mami Hasegawa | 6-4,7-6 |
| ITF Women Gyeongsan Qual | 2018/06/11 02:00 | Yeong Won Jeong v Da Hye Kim | 6-1,7-6 |
| ITF Women Sangju Qual | 2018/06/04 01:00 | Yeong Won Jeong v Eri Shimizu | 5-7,4-6 |
| ITF Women Changwon Qual | 2018/05/20 03:00 | Erin Routliffe v Yeong Won Jeong | 6-1,6-2 |
| ITF Women Incheon Qual | 2018/05/14 03:30 | Yeong Won Jeong v Erin Routliffe | 4-6,0-6 |
| ITF Women Sangju | 2018/06/10 01:00 | Ho Ching Wu v Ya-Hsuan Lee | 7-5,6-3 |
| ITF Women Sangju | 2018/06/09 01:00 | Sunam Jeong v Ya-Hsuan Lee | 2-6,6-7 |
| ITF Women Sangju | 2018/06/08 02:00 | Ayaka Okuno v Ya-Hsuan Lee | 2-6,0-6 |
| ITF Women Sangju | 2018/06/07 01:00 | Dan Ni Wang v Ya-Hsuan Lee | 1-6,2-6 |
| ITF Women Sangju | 2018/06/06 04:05 | Dayeon Back v Ya-Hsuan Lee | 1-6,0-6 |
| ITF Women Changwon | 2018/05/27 02:00 | Varvara Flink v Ya-Hsuan Lee | 6-0,3-6,0-6 |
| ITF Women Changwon | 2018/05/26 01:00 | Ya-Hsuan Lee v Ulrikke Eikeri | 6-1,6-2 |
| ITF Women Changwon | 2018/05/25 01:00 | So-Ra Lee v Ya-Hsuan Lee | 4-6,4-6 |