Stadium: Court 3 Round: 25 Ground: Clay
| Manacor (Mallorca), Singles Quali W-WITF-ESP-02A | 2018/02/19 08:30 | 細沼千紗 細沼千紗 v モレノ・バランケーロ,アンヘレス | 6-4,6-3 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-02A | 2018/02/18 09:00 | 細沼千紗 細沼千紗 v Keira Blackbeard | 7-6,6-0 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-02A | 2018/02/17 11:30 | 細沼千紗 細沼千紗 v クリスティーナ・ミレンコビッチ | 6-1,6-3 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-01A | 2018/02/11 13:00 | 細沼千紗 細沼千紗 v Fusinato, Francesca | 6-7,6-2,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-04A | 2018/02/02 11:00 | 細沼千紗 細沼千紗 v デスピーナ・パパミチャイル | 2-6,7-5,0-6 |
| Antalya, Singles Qualifying W-WITF-TUR-04A | 2018/02/01 10:25 | イペク・オズ v 細沼千紗 細沼千紗 | 4-6,4-6 |
| Antalya, Singles Qualifying W-WITF-TUR-04A | 2018/01/31 10:55 | 細沼千紗 細沼千紗 v コムレック,アズラデニス | 6-0,6-0 |
| Antalya, Singles Qualifying W-WITF-TUR-04A | 2018/01/29 08:00 | エリナ ネプリー v 細沼千紗 細沼千紗 | 3-6,2-6 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-02A | 2018/02/19 08:30 | Latycheva, Sonya v フリア・パヨラ | 3-6,6-4,6-3 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-02A | 2018/02/18 09:00 | オシュナー,スヴェンジャ v Latycheva, Sonya | 3-6,2-6 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-02A | 2018/02/17 10:30 | Latycheva, Sonya v マルティネス・アセンシ,ガブリエラ | 4-6,6-1,6-1 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-01A | 2018/02/15 09:00 | ペパー,アレクサンドラ v Latycheva, Sonya | 7-6,6-3 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-01A | 2018/02/14 11:05 | Latycheva, Sonya v ヌリア・ブランカッチョ | 6-3,6-0 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-01A | 2018/02/11 10:30 | Cianci, Claudia v Latycheva, Sonya | 2-6,4-6 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-01A | 2018/02/11 09:00 | オルガ・パレス・アズコイティア v Latycheva, Sonya | 4-6,3-6 |
| Manacor (Mallorca), Singles Quali W-WITF-ESP-01A | 2018/02/10 09:00 | イングリッド・ボイチナコバ v Latycheva, Sonya | 3-6,2-6 |