Stadium: Central Court Round: 45 Ground: Hardcourt outdoor
| Hua Hin, Singles W-WITF-THA-07A | 2018/05/31 02:30 | Zhang, Kai Lin v Kang, Jia-Qi | 6-4,6-2 |
| Quanzhou, Qualifications Simples W-WITF-CHN-04B | 2018/04/23 02:00 | Zhang, Kai Lin v Kang, Jia-Qi | 3-6,6-2,6-2 |
| WTA Zhengzhou Qual | 2018/04/14 03:00 | Kang, Jia-Qi v Zhang, Kai Lin | 4-6,7-6,2-6 |
| Zhuhai, Qualifications Simples W-WITF-CHN-03C | 2018/03/04 09:25 | Kang, Jia-Qi v Zhang, Kai Lin | 6-7,4-6 |
| WTA Guangzhou | 2018/09/15 03:40 | Kang, Jia-Qi v Karman Kaur Thandi | 2-6,2-6 |
| ITF Women Guiyang | 2018/08/15 02:00 | Jovic, J. v Kang, Jia-Qi | 6-3,4-6,6-4 |
| ITF Women Guiyang | 2018/08/14 02:00 | Kang, Jia-Qi v Yexin Ma | 6-7,6-4,7-6 |
| ITF Women Jinan | 2018/08/07 07:00 | Ankita Raina v Kang, Jia-Qi | 7-6,7-5 |
| WTA Nanchang Qual | 2018/07/21 13:25 | Kang, Jia-Qi v Xu, Shilin | 0-6,2-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/19 02:00 | Kaylah McPhee v Kang, Jia-Qi | 4-6,6-1,6-2 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/16 02:00 | Kang, Jia-Qi v Hanyu Guo | 7-5,6-7,6-4 |
| ITF Women Nonthaburi Qual | 2018/07/15 03:20 | Kang, Jia-Qi v Nina Stadler | 6-4,6-4 |
| WTA Guangzhou | 2018/09/17 04:50 | Lizette Cabrera v Zhang, Kai Lin | 4-6,7-5,7-6 |
| WTA Guangzhou | 2018/09/15 05:20 | Hiroko Kuwata v Zhang, Kai Lin | 1-6,2-6 |
| Hiroshima, Japon | 2018/09/09 06:30 | Zhang, Kai Lin v Valeria Savinykh | 3-6,7-5,4-6 |
| ITF Women Nanao | 2018/08/30 03:00 | Zhang, Kai Lin v Akiko Omae | 1-6,3-6 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/26 02:00 | Zhang, Kai Lin v Xiyu Wang | 6-3,5-7,5-7 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/25 01:00 | Zhang, Kai Lin v Nagi Hanatani | 6-4,7-5 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/24 01:00 | Zhang, Kai Lin v Erika Sema | 6-2,6-3 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/21 03:00 | Zhang, Kai Lin v So, Kumi | 6-2,7-5 |