Stadium: Hard Court 2 Round: 25 Ground: Clay
| ITF - W15 Antalya | 2019/10/27 07:30 | Maria Sara Popa v Kalkenova, Karina | 6-0,6-2 |
| Nur-Sultan, Singles W-ITF-KAZ-05A | 2019/07/15 05:00 | Kalkenova, Karina v Kremen, Ilona | 3-6,2-6 |
| ITF - W15 Shymkent | 2019/04/16 03:30 | Kalkenova, Karina v Nazarchuk, Polina | 3-6,1-6 |
| ITF - W15 Shymkent | 2019/04/08 03:15 | Kseniya Yersh v Kalkenova, Karina | 6-2,6-1 |
| ITF Women Nules | 2018/11/19 11:00 | Mercadier, Naia v Kalkenova, Karina | 6-3,6-2 |
| ITF Women Castellon | 2018/11/10 12:15 | Maria Aran T Garcia v Kalkenova, Karina | 7-5,6-4 |
| ITF Women Sant Cugat | 2018/10/29 09:00 | Kalkenova, Karina v Lazareva, Margarita | 6-7,1-6 |
| ITF Women Sant Cugat | 2018/10/28 12:00 | Kalkenova, Karina v Raquel Ducet Teixeira | 6-0,6-3 |
| ITF - W15 Antalya | 2019/11/02 07:30 | Kostenko, L. v Mariia Tkacheva | 2-6,0-6 |
| ITF - W15 Antalya | 2019/11/01 12:15 | Tilbuerger, Jantje v Kostenko, L. | 1-6,6-7 |
| ITF - W15 Antalya | 2019/10/31 07:00 | Petrenko, Viktoriya v Kostenko, L. | 5-7,4-6 |
| ITF - W15 Antalya | 2019/10/29 07:00 | Kostenko, L. v Gaspar-Ivan, Ioana | 6-4,6-3 |
| ITF Women Chornomorsk | 2018/10/07 09:00 | Kostenko, L. v Shoshyna, Anastasiya | 3-6,3-6 |
| ITF Women Chornomorsk | 2018/10/06 08:00 | Daria Snigur v Kostenko, L. | 4-6,3-6 |
| ITF Women Chornomorsk | 2018/10/05 08:00 | Kostenko, L. v Carole Monnet | 7-5,6-2 |
| ITF Women Chornomorsk | 2018/10/03 08:00 | Lukacs, Vanda v Kostenko, L. | 4-6,5-7 |