Stadium: Court 1 Round: 25 Ground: Clay
| ITF Women LPD Gran Canaria | 2018/08/09 10:00 | Irene Burillo Escorihuela v Yana Sizikova | 6-1,3-6,7-6 |
| ITF Women LPD Gran Canaria | 2018/08/08 11:30 | Yana Sizikova v Andrea Gamiz | 2-6,6-4,7-5 |
| ITF Women LPD Gran Canaria | 2018/08/06 09:00 | Carlota Molina Megias v Yana Sizikova | 4-6,5-7 |
| WTA Moscow Qual | 2018/07/23 10:30 | Yana Sizikova v Martina Trevisan | 6-3,2-6,2-6 |
| WTA Moscow Qual | 2018/07/23 07:00 | Rika Fujiwara v Yana Sizikova | 1-6,4-6 |
| WTA Gstaad Qual | 2018/07/14 09:10 | Conny Perrin v Yana Sizikova | 6-4,6-4 |
| ITF Women Getxo | 2018/07/10 08:00 | Yana Sizikova v Olga Saez Larra | 4-6,1-6 |
| ITF Women Ilkley Qual | 2018/06/17 11:35 | Abigail Tere-Apisah v Yana Sizikova | 6-3,6-2 |
| ITF Women Torino Qual | 2018/07/08 13:40 | Alice Matteucci v Vitalia Stamat | 6-3,6-3 |
| ITF Women Torino Qual | 2018/07/07 14:35 | Alice Vicini v Vitalia Stamat | 1-6,6-3,5-7 |
| ITF Women Fergana | 2018/06/19 08:35 | Nastja Kolar v Vitalia Stamat | 6-3,6-3 |
| ITF Women Fergana Qual | 2018/06/18 07:30 | Vitalia Stamat v Gulsina Khalimullina | 6-0,6-1 |
| ITF Women Fergana Qual | 2018/06/17 07:30 | Vitalia Stamat v Sofya Ostrovskaya | 6-2,3-6,6-4 |
| ITF Women Namangan Qual | 2018/06/04 12:15 | Vitalia Stamat v Sofya Golubovskaya | 1-6,3-6 |
| ITF Women Namangan Qual | 2018/06/02 05:00 | Vitalia Stamat v Gulsina Khalimullina | 6-0,6-2 |
| ITF Women Andijan Qual | 2018/05/27 10:30 | Vitalia Stamat v Yasmina Karimjanova | 6-1,4-6,0-6 |