Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| Hua Hin, Singles W-WITF-THA-07A | 2018/11/24 03:00 | Takayama, Chihiro v Saumya Vig | 6-2,7-5 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/11/11 06:00 | Takayama, Chihiro v Frahn, Madison | 6-3,4-6,5-7 |
| ITF Women Nanning | 2018/10/20 04:30 | Takayama, Chihiro v Jiaying He | 3-6,3-6 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/14 01:00 | Takayama, Chihiro v Matsumoto, Ari | 2-6,2-6 |
| ITF Women Anning | 2018/09/18 04:05 | Sowjanya Bavisetti v Takayama, Chihiro | 6-1,6-3 |
| ITF Women Kyoto | 2018/09/04 09:25 | Takayama, Chihiro v Kezuka, Chie | 5-7,7-6,3-6 |
| ITF Women Nanao | 2018/08/26 08:30 | Yidi Yang v Takayama, Chihiro | 6-1,6-3 |
| ITF Women Gimcheon | 2018/08/22 01:00 | Takayama, Chihiro v Hwiwon Wi | 4-6,0-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/11/13 06:00 | Guo, Shanshan v Chien, Pei-Ju | 3-6,6-2,6-7 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/10/30 05:00 | Guo, Shanshan v Wang, Dan Ni | 3-6,2-6 |
| ITF Women Anning | 2018/09/25 02:00 | I-Hsuan Cho v Guo, Shanshan | 6-4,6-0 |
| ITF Women Changsha | 2018/06/07 03:55 | Guo, Shanshan v Wei, Zhanlan | 6-4,3-6,2-6 |
| ITF Women Baotou Qual | 2018/05/22 02:30 | Guo, Shanshan v Mei Xu Wu | 3-6,6-4,5-7 |
| ITF Women Baotou Qual | 2018/05/21 02:30 | Guo, Shanshan v Wang, Lixin | 7-5,6-3 |
| ITF Women Wuhan Qual | 2018/05/13 03:00 | Guo, Shanshan v Dong, Hongding | 6-1,6-1 |
| ITF Women Luan | 2018/05/08 04:55 | Fang Ying Xun v Guo, Shanshan | 6-2,6-1 |