Stadium: Court 16 Round: 26 Ground: Clay
| ITF W60 Zagreb | 2021/04/27 09:00 | Irina Khromacheva v Anastasia Gasanova | 4-6,6-4,4-6 |
| WTA Istanbul | 2021/04/19 11:30 | Qiang Wang v Anastasia Gasanova | 4-6,6-1,6-2 |
| WTA Istanbul | 2021/04/18 10:40 | Nikola Bartunkova v Anastasia Gasanova | 4-6,7-5,3-6 |
| WTA Istanbul | 2021/04/17 17:00 | Irina Fetecau v Anastasia Gasanova | 2-6,3-6 |
| WTA St. Petersburg | 2021/03/19 11:35 | Vera Zvonareva v Anastasia Gasanova | 6-3,6-1 |
| WTA St. Petersburg | 2021/03/18 14:55 | Anastasia Gasanova v Anastasia Pavlyuchenkova | 1-6,7-6,7-6 |
| WTA St. Petersburg | 2021/03/17 10:00 | Katarina Zavatska v Anastasia Gasanova | 2-6,7-6,5-7 |
| WTA St. Petersburg | 2021/03/14 10:20 | Ana Konjuh v Anastasia Gasanova | 4-6,3-6 |
| ITF W60 Zagreb | 2021/04/28 12:30 | Mihaela Djakovic v Kucova, Kristina | 1-6,4-6 |
| WTA - Miami | 2021/03/25 19:00 | Barty, Ashleigh v Kucova, Kristina | 6-3,4-6,7-5 |
| WTA - Miami | 2021/03/24 22:55 | Hailey Baptiste v Kucova, Kristina | 4-6,6-2,5-7 |
| WTA - Miami | 2021/03/23 15:35 | Kucova, Kristina v Anna Karolina Schmiedlova | 6-2,6-3 |
| WTA - Miami | 2021/03/22 15:40 | Yafan Wang v Kucova, Kristina | 5-7,2-6 |
| WTA Monterrey | 2021/03/18 00:00 | Kucova, Kristina v Fernandez, Leylah Annie | 1-6,4-6 |
| WTA Monterrey | 2021/03/16 19:55 | Sloane Stephens v Kucova, Kristina | 2-6,2-6 |
| WTA Monterrey | 2021/03/14 17:00 | Kucova, Kristina v Lesia Tsurenko | 3-6,2-6 |