Stadium: Stadium Round: 45 Ground: Hardcourt outdoor
| ITF W25 - Trnava | 2019/02/07 12:00 | Elitsa Kostova v Yana Sizikova | 6-3,6-2 |
| ITF W25 - Trnava | 2019/02/06 13:15 | Yana Sizikova v Sofia Shapatava | 6-1,7-5 |
| ITF W25 - Kazan | 2019/01/24 07:00 | Katarzyna Kawa v Yana Sizikova | 6-2,6-4 |
| ITF W25 - Kazan | 2019/01/23 11:35 | Valeriya Urzhumova v Yana Sizikova | 2-6,5-7 |
| ITF Women Dubai | 2018/12/08 13:05 | Eden Silva v Yana Sizikova | 6-3,6-4 |
| ITF Women Minsk | 2018/11/07 07:30 | Yana Sizikova v Raluca Georgiana Serban | 2-6,5-7 |
| ITF Women Minsk | 2018/11/06 09:45 | Valeriya Yushchenko v Yana Sizikova | 7-5,4-6,2-6 |
| WTA - Mumbai | 2018/10/27 06:50 | Mahak Jain v Yana Sizikova | 3-6,6-3,7-5 |
| ITF W25 Surprise | 2019/02/11 17:30 | Luisa Stefani v Maria F Herazo Gonzalez | 3-6,4-6 |
| ITF W25 - Petit-Bourg | 2019/01/16 21:10 | Haruna Arakawa v Luisa Stefani | 6-4,7-6 |
| ITF W25 - Petit-Bourg | 2019/01/15 15:00 | Luisa Stefani v Karin Kennel | 7-5,5-7,10-6 |
| ITF W25 - Petit-Bourg | 2019/01/14 15:15 | Luisa Stefani v Mathilde Tranberg | 6-0,6-0 |
| ITF Women Colina | 2018/11/09 19:30 | Luisa Stefani v Paula Ormaechea | 4-6,3-6 |
| ITF Women Colina | 2018/11/08 14:00 | Luisa Stefani v Panna Udvardy | 6-3,6-4 |
| ITF Women Colina | 2018/11/07 15:35 | Zoe Kruger v Luisa Stefani | 4-6,4-6 |
| ITF Women Colina | 2018/11/05 14:00 | Daniela Macarena Lopez v Luisa Stefani | 4-6,4-6 |