Stadium: Court 5 Round: 54 Ground: Clay
| ITF Women Almaty | 2018/07/09 05:30 | Polina Nazarchuk v Karina Kalkenova | 1-6,6-3,6-0 |
| ITF Women Nules | 2018/11/19 11:00 | Naia Mercadier v Karina Kalkenova | 6-3,6-2 |
| ITF Women Castellon | 2018/11/10 12:15 | Maria Aran T Garcia v Karina Kalkenova | 7-5,6-4 |
| ITF Women Sant Cugat | 2018/10/29 09:00 | Karina Kalkenova v Margarita Lazareva | 6-7,1-6 |
| ITF Women Sant Cugat | 2018/10/28 12:00 | Karina Kalkenova v Raquel D Teixeira | 6-0,6-3 |
| ITF Women Almaty WD | 2018/09/09 06:35 | Anastazja Rosnowska v Karina Kalkenova | 6-3,6-0 |
| ITF Women Astana Qual | 2018/07/14 07:00 | Darya Astakhova v Karina Kalkenova | 6-0,6-1 |
| ITF Women Almaty | 2018/07/09 05:30 | Polina Nazarchuk v Karina Kalkenova | 1-6,6-3,6-0 |
| ITF Women Shymkent | 2018/04/14 04:30 | Milana Maslenkova v Karina Kalkenova | 6-0,6-3 |
| ITF Women Moscow | 2018/08/26 07:00 | Kseniya Yersh v Polina Nazarchuk | 6-0,2-6,6-2 |
| ITF Women Moscow | 2018/08/25 10:00 | Anna Borovinskaya v Polina Nazarchuk | 2-6,1-6 |
| ITF Women Moscow | 2018/08/12 06:00 | Polina Nazarchuk v Diana Demidova | 6-3,0-6,3-6 |
| ITF Women Kazan | 2018/08/08 10:25 | Maria Titova v Polina Nazarchuk | 6-2,6-4 |
| ITF Women Kazan | 2018/08/05 09:30 | Viktoriia Kalinina v Polina Nazarchuk | 5-7,1-6 |
| ITF Women Kazan | 2018/08/04 12:00 | Anastasia Bursa v Polina Nazarchuk | 0-6,0-6 |
| ITF Women Kazan | 2018/07/31 08:25 | Daria Mishina v Polina Nazarchuk | 6-4,6-0 |
| ITF Women Kazan | 2018/07/29 07:00 | Polina Nazarchuk v Noel Saidenova | 2-6,7-6,7-5 |