Stadium: Court 6 Round: 25 Ground: Clay
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/27 09:00 | Sizikova, Yana v Kleybanova, Alisa | 3-6,3-6 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/26 03:00 | Ainitdinova, Gozal v Sizikova, Yana | 4-6,3-6 |
| Hua Hin, Singles W-WITF-THA-07A | 2017/07/25 04:35 | Sizikova, Yana v Haet, Michaela | 6-2,7-6 |
| Astana, Singles W-WITF-KAZ-05A | 2017/07/18 05:00 | Sizikova, Yana v Broady, Naomi | 6-7,2-6 |
| Moscow, Singles W-WITF-RUS-05A | 2017/07/11 08:40 | Ekaterina Yashina v Sizikova, Yana | 6-4,7-5 |
| ITF Women Darmstadt | 2017/07/04 10:00 | Sizikova, Yana v Krejsova, Petra | 4-6,6-4,2-6 |
| ITF Women Darmstadt Qual | 2017/07/03 10:00 | Sizikova, Yana v Sinja Kraus | 6-3,6-2 |
| ITF Women Fergana | 2017/06/22 05:00 | Sharipova, Sabina v Sizikova, Yana | 5-7,6-3,6-1 |
| Moscow, Singles W-WITF-RUS-05A | 2017/08/12 09:10 | Polina Leykina v Pospelova, Aleksandra | 6-1,6-0 |
| Moscow, Singles W-WITF-RUS-05A | 2017/08/11 07:00 | Pospelova, Aleksandra v Vostrikova, Aleksandra | 6-2,5-7,6-3 |
| Moscow, Singles W-WITF-RUS-05A | 2017/08/10 07:00 | Ekaterina Kazionova v Pospelova, Aleksandra | 2-6,3-6 |
| Moscow, Singles W-WITF-RUS-05A | 2017/08/08 12:20 | Pospelova, Aleksandra v Elina Avanesyan | 6-1,7-5 |
| Bursa, Singles Qualifying W-WITF-TUR-28A | 2017/07/16 09:00 | Shroff, Kyra v Pospelova, Aleksandra | 6-2,6-2 |
| Bursa, Singles Qualifying W-WITF-TUR-28A | 2017/07/15 13:20 | Guvenc, Ceyda v Pospelova, Aleksandra | 0-6,0-6 |
| ITF Women Torino Qual | 2017/07/09 07:00 | Zmau, Michele Alexandra v Pospelova, Aleksandra | 6-4,7-5 |
| ITF Women Torun | 2017/06/28 09:35 | Pospelova, Aleksandra v Morgina, Anna | 4-6,3-6 |