Stadium: COURT 1 Round: 25 Ground: Clay
| WTA Budapest Qual | 2018/02/18 09:00 | Sofya Lansere v Arina Rodionova | 0-6,2-6 |
| ITF Women Trnava | 2018/02/11 10:00 | Detiuc, Anastasia v Sofya Lansere | 5-7,6-0,6-3 |
| ITF Women Trnava | 2018/02/10 14:20 | Sofya Lansere v Elena Rybakina | 2-6,7-5,6-3 |
| ITF Women Trnava | 2018/02/09 13:15 | Sofya Lansere v Bukta, Agnes | 6-3,6-4 |
| ITF Women Trnava | 2018/02/08 11:15 | Mihalikova, Tereza v Sofya Lansere | 2-6,6-2,3-6 |
| ITF Women Trnava | 2018/02/05 14:00 | Sofya Lansere v Zovincova, Vendula | 6-0,6-2 |
| ITF Women Hammamet | 2017/11/08 12:25 | Sofya Lansere v Marie Benoit | 4-6,0-6 |
| ITF Women Casablanca | 2017/10/31 10:00 | Hering, Katharina v Sofya Lansere | 6-3,6-4 |
| Altenkirchen, Qualifications Simples W-WITF-GER-02A | 2018/02/19 14:40 | Tayisiya Morderger v Polina Leykina | 6-0,6-4 |
| Altenkirchen, Qualifications Simples W-WITF-GER-02A | 2018/02/18 09:00 | Arlinda Rushiti v Polina Leykina | 6-7,3-6 |
| Grenoble, Singles W-WITF-FRA-04B | 2018/02/06 10:00 | Polina Leykina v Audrey Albie | 2-6,6-4,4-6 |
| Orlando, Singles Qualifying W-WITF-USA-02A | 2018/01/17 15:00 | Chiara Scholl v Polina Leykina | 7-5,3-6,6-0 |
| ITF Women Orlando Qual | 2018/01/16 15:00 | Polina Leykina v Wushuang Zheng | 5-7,6-3,6-3 |
| ITF Women Orlando Qual | 2018/01/15 15:00 | Polina Leykina v Hsu, Ching Wen | 6-2,6-1 |
| ITF Women Orlando Qual | 2018/01/14 15:00 | Polina Leykina v Yurovsky, Ronit | 6-1,6-2 |
| Daytona Beach, Singles Qualifying W-WITF-USA-01A | 2018/01/09 16:00 | Polina Leykina v Maria Mateas | 6-2,6-7,1-6 |