Stadium: Court 2 Round: 26 Ground: Clay
| 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 |
| WTA Tianjin | 2018/10/06 06:40 | Yana Sizikova v Michaela Honcova | 6-4,6-2 |
| ITF Women Almaty | 2018/08/30 05:00 | Yuliya Hatouka v Yana Sizikova | 7-5,6-1 |
| ITF Women Almaty | 2018/08/29 06:35 | Daria Lodikova v Yana Sizikova | 1-6,6-7 |
| ITF Women Almaty | 2018/08/28 10:15 | Tereza Mihalikova v Yana Sizikova | 3-6,5-7 |
| ITF Women Moscow | 2018/08/22 11:30 | Yana Sizikova v Valeriya Yushchenko | 4-6,1-6 |
| ITF Women Moscow | 2018/08/20 07:00 | Yana Sizikova v Vitalia Stamat | 6-0,6-2 |
| ITF Women Minsk | 2018/11/06 12:40 | Daria Mishina v Raluca Georgiana Serban | 4-6,1-6 |
| ITF Women Istanbul | 2018/10/27 12:00 | Raluca Georgiana Serban v Nina Stojanovic | 6-2,7-5 |
| ITF Women Istanbul | 2018/10/26 10:30 | Lina Gjorcheska v Raluca Georgiana Serban | 7-5,6-7,3-6 |
| ITF Women Istanbul | 2018/10/25 09:00 | Ana Vrljic v Raluca Georgiana Serban | 3-6,2-6 |
| ITF Women Istanbul | 2018/10/24 07:00 | Raluca Georgiana Serban v Rebecca Sramkova | 6-2,6-4 |
| ITF Women Istanbul | 2018/10/23 07:00 | Raluca Georgiana Serban v Mina Hodzic | 6-2,3-6,6-1 |
| WTA Luxembourg | 2018/10/13 11:05 | Raluca Georgiana Serban v Eugenie Bouchard | 1-6,6-2,1-6 |
| ITF Women Santa Margherita | 2018/10/11 10:00 | Raluca Georgiana Serban v Carolina Alves | 1-6,4-6 |