Estadio: Court 5 Round: 28
| Fed Cup 2018 | 2018/02/07 04:30 | Ya-Hsuan Lee v Sunam Jeong | 3-6,3-6 |
| ITF Sangju - Femenino | 2018/06/08 02:00 | Kanako Morisaki v Sunam Jeong | 2-6,0-6 |
| ITF Sangju - Femenino | 2018/06/07 02:00 | Louise Lampla v Sunam Jeong | 1-6,0-6 |
| ITF Sangju - Femenino | 2018/06/05 01:00 | Rio Kitagawa v Sunam Jeong | 0-6,3-6 |
| ITF Changwon - Femenino | 2018/05/26 02:15 | Sunam Jeong v Varvara Flink | 4-6,5-7 |
| ITF Changwon - Femenino | 2018/05/25 01:00 | Sunam Jeong v Ji-Hee Choi | 6-3,6-2 |
| ITF Changwon - Femenino | 2018/05/24 01:00 | Katy Dunne v Sunam Jeong | 3-6,3-6 |
| ITF Changwon - Femenino | 2018/05/22 01:00 | Sunam Jeong v Kaylah McPhee | 6-3,3-6,6-2 |
| ITF Incheon - Femenino | 2018/05/15 03:20 | Jovana Jaksic v Sunam Jeong | 7-6,7-6 |
| ITF Sangju - Femenino | 2018/06/08 02:00 | Ayaka Okuno v Ya-Hsuan Lee | 2-6,0-6 |
| ITF Sangju - Femenino | 2018/06/07 01:00 | Dan Ni Wang v Ya-Hsuan Lee | 1-6,2-6 |
| ITF Sangju - Femenino | 2018/06/06 04:05 | Dayeon Back v Ya-Hsuan Lee | 1-6,0-6 |
| ITF Changwon - Femenino | 2018/05/27 02:00 | Varvara Flink v Ya-Hsuan Lee | 6-0,3-6,0-6 |
| ITF Changwon - Femenino | 2018/05/26 01:00 | Ya-Hsuan Lee v Ulrikke Eikeri | 6-1,6-2 |
| ITF Changwon - Femenino | 2018/05/25 01:00 | So-Ra Lee v Ya-Hsuan Lee | 4-6,4-6 |
| ITF Changwon - Femenino | 2018/05/24 02:40 | Ayumi Koshiishi v Ya-Hsuan Lee | 4-6,3-6 |
| ITF Changwon - Femenino | 2018/05/23 05:05 | Ya-Hsuan Lee v Na-Lae Han | 6-4,6-3 |