Stadium: Court A Round: 44 Ground: Hardcourt outdoor
| 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 |
| ITF Women Gimcheon | 2018/08/21 01:00 | Takayama, Chihiro v Ashmitha Easwaramurthi | 6-3,6-3 |
| ITF Women Gimcheon | 2018/08/20 02:00 | Uberoi, Nikita v Takayama, Chihiro | 3-6,3-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/11/04 02:00 | Frahn, Madison v Krasakova, Mariya | 6-4,1-6,2-6 |
| ITF Women Toowoomba | 2018/10/07 00:30 | Frahn, Madison v Monica Robinson | 0-6,3-6 |
| ITF Women Brisbane | 2018/09/30 06:00 | Irina Ramialison v Frahn, Madison | 6-0,6-1 |
| ITF Women El Espinar Qual | 2018/07/28 09:30 | Drazic, Mariana v Frahn, Madison | 6-1,7-6 |
| ITF Women Porto Qual | 2018/07/22 09:00 | Laura Pigossi v Frahn, Madison | 6-0,6-0 |
| ITF Women Figueira Da Foz Qual | 2018/07/14 12:30 | Ueda, Ramu v Frahn, Madison | 6-3,6-3 |
| Changwon, Singles Qualifying W-WITF-KOR-01A | 2018/05/20 02:00 | Frahn, Madison v Kim, Eunseo | 0-6,1-6 |
| ITF Women Incheon Qual | 2018/05/13 01:00 | Kim, Da Hye v Frahn, Madison | 6-1,6-0 |