Stadium: C Round: 54 Ground: Hardcourt outdoor
| 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 |
| Quanzhou, Qualifications Simples W-WITF-CHN-04B | 2018/04/22 04:55 | Zhang, Kai Lin v Sun, Ziyue | 6-2,4-6,6-1 |
| Quanzhou, Qualifications Simples W-WITF-CHN-04B | 2018/04/21 02:00 | Zhang, Kai Lin v Wang, Dan Ni | 6-4,6-0 |
| Zhengzhou, Chine | 2018/04/17 03:00 | Jia-Jing Lu v Zhang, Kai Lin | 6-2,6-4 |
| WTA Zhengzhou Qual | 2018/04/15 03:00 | Fang Ying Xun v Zhang, Kai Lin | 6-4,6-3 |
| WTA Zhengzhou Qual | 2018/04/14 03:00 | Kang, Jia-Qi v Zhang, Kai Lin | 4-6,7-6,2-6 |
| ITF Women Nanjing | 2018/03/24 02:00 | Zhang, Kai Lin v Ye, Qiu Yu | 3-6,1-6 |
| ITF Women Nanjing | 2018/03/23 02:00 | Zhang, Kai Lin v Gai, AO | 7-5,3-6,6-1 |
| ITF Women Nanjing | 2018/03/22 02:00 | Zhang, Kai Lin v Jiang, Xinyu | 6-2,6-0 |
| Quanzhou, Qualifications Simples W-WITF-CHN-04B | 2018/04/22 05:40 | Shuo Feng v Kang, Jia-Qi | 5-7,4-6 |
| Quanzhou, Qualifications Simples W-WITF-CHN-04B | 2018/04/21 02:00 | Lu, Jiaxi v Kang, Jia-Qi | 6-1,3-6,3-6 |
| WTA Zhengzhou Qual | 2018/04/14 03:00 | Kang, Jia-Qi v Zhang, Kai Lin | 4-6,7-6,2-6 |
| ITF Women Osaka | 2018/04/10 02:15 | Nara, Kurumi v Kang, Jia-Qi | 6-2,5-7,6-1 |
| ITF Women Kashiwa Qual | 2018/04/01 04:30 | Ueda, Ramu v Kang, Jia-Qi | 6-4,1-6,6-1 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/25 04:00 | Kang, Jia-Qi v Koshino, Natsumi | 6-3,1-6,4-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/24 04:00 | Kang, Jia-Qi v Ng, Kwan Yau | 6-0,2-6,7-5 |
| ITF Women Shenzhen Qual | 2018/03/11 02:00 | Kang, Jia-Qi v Skamlova, Chantal | 6-4,6-7,3-6 |