Stadium: Court B Round: 44 Ground: Hardcourt outdoor
| Nonthaburi, Simples W-WITF-THA-09A | 2018/10/30 07:00 | Chanta, Aunchisa v Jeong, Yeong Won | 7-6,2-6,6-3 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/10/27 07:00 | Jeong, Yeong Won v Chimcham, Y. | 7-5,6-3 |
| ITF Women Gimcheon | 2018/08/23 01:00 | Jeong, Yeong Won v Kim, Da Hye | 3-6,5-7 |
| ITF Women Gimcheon | 2018/08/16 01:00 | Hong, Seung-Yeon v Jeong, Yeong Won | 7-5,6-4 |
| ITF Women Gimcheon | 2018/08/14 02:45 | Yuka Hosoki v Jeong, Yeong Won | 2-6,0-6 |
| ITF Women Daegu | 2018/06/20 02:50 | Jeong, Yeong Won v Ya-Hsuan Lee | 0-6,7-6,2-6 |
| ITF Women Daegu Qual | 2018/06/19 01:00 | Han, Sung-Hee v Jeong, Yeong Won | 3-6,4-6 |
| ITF Women Daegu Qual | 2018/06/18 02:00 | Sul, You-Na v Jeong, Yeong Won | 3-6,1-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/11/03 02:00 | Darcy Parke v Tumthong, Dolavee | 1-6,1-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/10/29 04:15 | Tumthong, Dolavee v Lee, Hua-Chen | 0-6,0-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/11 07:00 | Tumthong, Dolavee v Ren, Jia Qi | 7-6,4-6,2-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/08/06 04:30 | Tumthong, Dolavee v Ya-Hsuan Lee | 0-6,1-6 |
| ITF Women Nonthaburi Qual | 2018/07/14 02:00 | Tumthong, Dolavee v Mei Yamaguchi | 3-6,2-6 |
| ITF Women Nonthaburi Qual | 2018/07/07 02:00 | Claudia Hoste Ferrer v Tumthong, Dolavee | 6-3,6-3 |
| ITF Women Hua Hin Qual | 2018/06/03 03:00 | Tumthong, Dolavee v Ren, Jia Qi | 1-6,2-6 |
| ITF Women Hua Hin Qual | 2018/05/27 02:30 | Luangnam, Nudnida v Tumthong, Dolavee | 6-1,6-2 |