Stadium: COURT B Round: 54 Ground: Synthetic outdoor
| ITF Women Nanao | 2018/08/29 05:20 | Kotomi Takahata v Haruka Kaji | 6-7,2-6 |
| ITF Women Nanao | 2018/08/27 01:00 | Kotomi Takahata v Minami Shuto | 7-6,6-3 |
| ITF Women Nanao | 2018/08/26 03:25 | Kotomi Takahata v Ayano Sonoda | 6-4,6-0 |
| ITF Women Tsukuba | 2018/08/19 03:00 | Kumi So v Kotomi Takahata | 6-4,6-4 |
| ITF Women Taipei | 2018/07/24 03:55 | Chin-Wei Chan v Kotomi Takahata | 4-6,6-3,6-3 |
| ITF Women Astana Qual | 2018/07/14 10:45 | Daria Kruzhkova v Kotomi Takahata | 6-2,6-1 |
| ITF Women Tianjin Qual | 2018/07/09 02:00 | Kotomi Takahata v Mei Xu Wu | 3-6,6-2,2-6 |
| ITF Women Tianjin Qual | 2018/07/08 06:35 | Kotomi Takahata v Qian Yang | 6-0,6-2 |
| ITF Women Kyoto | 2018/09/04 08:50 | Robu Kajitani v Chinatsu Shimizu | 6-4,6-2 |
| ITF Women Nanao | 2018/08/26 01:00 | Robu Kajitani v Ikumi Yamazaki | 6-2,1-6,3-6 |
| ITF Women Tsukuba | 2018/08/19 00:30 | Robu Kajitani v Mana Ayukawa | 1-6,0-6 |
| ITF Women Nonthaburi Qual | 2018/07/14 02:00 | Zuzana Zlochova v Robu Kajitani | 6-4,6-1 |
| ITF Women Nonthaburi Qual | 2018/07/08 02:00 | Patcharin Cheapchandej v Robu Kajitani | 6-3,6-2 |
| ITF Women Nonthaburi Qual | 2018/07/07 02:00 | Robu Kajitani v Sowjanya Bavisetti | 0-6,6-3,7-6 |
| ITF Women Daegu Qual | 2018/06/18 03:00 | Kanako Morisaki v Robu Kajitani | 6-2,6-1 |
| ITF Women Kurume | 2018/05/16 03:25 | Tara Moore v Robu Kajitani | 6-4,6-1 |