Stadium: Court 6 Round: 25 Ground: Clay
| ITF W25 Madrid | 2019/06/19 15:55 | Adithya Karunaratne v Sizikova, Yana | 6-7,6-3,6-7 |
| WTA Prague | 2019/04/27 09:15 | Sizikova, Yana v Lottner, Antonia | 2-6,1-6 |
| WTA Istanbul | 2019/04/22 11:55 | Jorovic, Ivana v Sizikova, Yana | 6-1,6-2 |
| WTA - Bogota | 2019/04/06 15:30 | Bolsova Zadoinov, Aliona v Sizikova, Yana | 7-5,6-0 |
| WTA Monterrey | 2019/03/30 16:00 | Sizikova, Yana v Andrea Gamiz | 4-6,1-6 |
| Irapuato, Singles W-ITF-MEX-02A | 2019/03/04 21:00 | Sizikova, Yana v Stefani, Luisa | 6-7,2-6 |
| ITF W25 Trnava | 2019/02/07 12:00 | Kostova, Elitsa v Sizikova, Yana | 6-3,6-2 |
| ITF W25 Trnava | 2019/02/06 13:15 | Sizikova, Yana v Sofia Shapatava | 6-1,7-5 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/18 05:25 | Mishina, Daria v Okuno, Ayaka | 2-6,3-6 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/14 02:00 | Mishina, Daria v Shiori Fukuda | 0-6,6-3,2-6 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/13 01:30 | Mishina, Daria v Yea, Hyojung | 6-3,6-4 |
| Gimcheon, Singles Qualifying W-ITF-KOR-05A | 2019/06/11 04:20 | Mishina, Daria v Kim, Eunseo | 6-4,6-1 |
| Daegu, Singles W-ITF-KOR-04A | 2019/06/04 04:00 | Mishina, Daria v Zhang, Yuxuan | 7-6,2-6,1-6 |
| ITF W25 Incheon | 2019/05/31 02:00 | Anastasia Gasanova v Mishina, Daria | 7-6,7-5 |
| ITF W25 Incheon | 2019/05/30 02:00 | Mishina, Daria v Ya-Hsuan Lee | 6-3,7-6 |
| ITF W25 Incheon | 2019/05/28 04:20 | Dema, Viktoriia v Mishina, Daria | 3-6,2-6 |