Stadium: Court 10 Round: 26 Ground: Hardcourt outdoor
| ITF Women Hong Kong | 2018/07/10 02:00 | Li, Jiakang v ニシムラ,カナミ | 2-6,2-6 |
| ITF Women Hong Kong | 2018/07/07 03:00 | ニシムラ,カナミ v パイ・ヤ・ユン | 6-3,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-04A | 2018/06/05 07:30 | ニシムラ,カナミ v ジェニファー・ルイカム | 2-6,6-2,3-6 |
| Antalya, Singles Qualifying W-WITF-TUR-04A | 2018/06/04 07:30 | メリコ,チアラ v ニシムラ,カナミ | 0-6,0-6 |
| Antalya, Singles Qualifying W-WITF-TUR-04A | 2018/06/03 07:30 | Abdioglu, Aylin v ニシムラ,カナミ | 1-6,0-6 |
| Antalya, Singles Qualifying W-WITF-TUR-04A | 2018/05/29 09:55 | ニシムラ,カナミ v フェデリカ・ビラルド | 3-6,1-6 |
| ITF Women Antalya Qual | 2018/05/28 07:30 | ニシムラ,カナミ v ルーシー・ペトルゼロワ | 6-4,6-0 |
| ITF Women Antalya Qual | 2018/05/27 09:00 | ニシムラ,カナミ v バクジンスカ・アレクサンドラ | 6-1,6-1 |
| ITF Women Hong Kong | 2018/07/09 05:55 | Takahashi, Reina v 川崎光美 | 6-0,7-5 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/06/10 00:00 | Takahashi, Reina v 松田美咲 | 6-7,1-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/06/09 04:00 | Takahashi, Reina v Nishida, Nao | 6-2,6-3 |
| ITF Women Karuizawa Qual | 2018/05/21 02:40 | ホンドウ,サクラ v Takahashi, Reina | 6-1,5-7,6-1 |
| ITF Women Karuizawa Qual | 2018/05/20 04:00 | ケズカ,チエ v Takahashi, Reina | 6-3,1-6,3-6 |
| Kofu, Singles Qualifying W-WITF-JPN-02A | 2018/03/24 03:00 | Takahashi, Reina v 秋田 史帆 | 4-6,1-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2018/03/21 05:35 | Takahashi, Reina v Fujiwara, Rika | 6-7,7-6,3-6 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | Itaya, Rion v Takahashi, Reina | 6-3,6-4 |