Round: 54 Ground: Hardcourt outdoor
| ITF Women Hua Hin Qual | 2018/06/03 03:00 | Dolavee Tumthong v Jia Qi Ren | 1-6,2-6 |
| ITF Women Nonthaburi | 2018/08/06 04:30 | Dolavee Tumthong v Ya-Hsuan Lee | 0-6,1-6 |
| ITF Women Nonthaburi Qual | 2018/07/14 02:00 | Dolavee Tumthong v Mei Yamaguchi | 3-6,2-6 |
| ITF Women Nonthaburi Qual | 2018/07/07 02:00 | Claudia Hoste Ferrer v Dolavee Tumthong | 6-3,6-3 |
| ITF Women Hua Hin Qual | 2018/06/03 03:00 | Dolavee Tumthong v Jia Qi Ren | 1-6,2-6 |
| ITF Women Hua Hin Qual | 2018/05/27 02:30 | Nudnida Luangnam v Dolavee Tumthong | 6-1,6-2 |
| ITF Women Hua Hin Qual | 2018/05/26 02:30 | Mariana Correa v Dolavee Tumthong | 3-6,6-2,3-6 |
| ITF Women Hua Hin | 2018/05/08 03:30 | Dolavee Tumthong v Yi Tsen Cho | 0-6,1-6 |
| ITF Women Hua Hin Qual | 2018/05/07 02:30 | Dolavee Tumthong v Qianxin Kong | 7-5,6-4 |
| ITF Women Nonthaburi | 2018/08/04 06:10 | Jia Qi Ren v Ayumi Koshiishi | 1-6,6-1,2-6 |
| ITF Women Nonthaburi Qual | 2018/07/14 05:35 | Patcharin Cheapchandej v Jia Qi Ren | 6-2,6-1 |
| ITF Women Tianjin Qual | 2018/07/08 02:00 | Xinyu Cai v Jia Qi Ren | 6-3,7-5 |
| ITF Women Madrid Qual | 2018/06/18 10:15 | Anastasia Pribylova v Jia Qi Ren | 6-0,6-1 |
| ITF Women Hua Hin Qual | 2018/06/04 05:05 | Ange Oby Kajuru v Jia Qi Ren | 6-1,6-2 |
| ITF Women Hua Hin Qual | 2018/06/03 03:00 | Dolavee Tumthong v Jia Qi Ren | 1-6,2-6 |
| WTA Anning Qual | 2018/04/28 05:55 | Jia Qi Ren v Nika Kukharchuk | 0-6,4-6 |
| ITF Women Quanzhou | 2018/04/24 02:00 | Jacqueline Cako v Jia Qi Ren | 6-1,6-1 |