WTA - Indian Wells | 03/05 20:45 | 45 | [79] Sara Sorribes Tormo v Kateryna Kozlova [114] | 1-6,6-7 | |
WTA - Indian Wells | 03/04 19:00 | 44 | [236] Ashley Kratzer v Kateryna Kozlova [114] | 4-6,1-6 | |
WTA - Indian Wells | 02/26 18:00 | 24 | [115] Kateryna Kozlova v Varvara Lepchenko [135] | 0-6,3-6 | |
WTA - Budapešť | 02/22 20:30 | 27 | [50] Alison Van Uytvanck v Kateryna Kozlova [126] | 3-6,6-1,6-4 | |
WTA - Budapešť | 02/21 20:30 | 26 | [95] Madison Brengle v Kateryna Kozlova [126] | 0-6,1-6 | |
WTA - Budapešť | 02/19 10:00 | 25 | [126] Kateryna Kozlova v Johanna Larsson [69] | 6-1,6-1 | |
2019 Fed Cup | 02/09 09:00 | 29 | [180] Magdalena Frech v Kateryna Kozlova [126] | 3-6,7-5,6-2 | |
2019 Fed Cup | 02/08 10:10 | - | Kateryna Kozlova v Elena Malygina | 6-0,6-0 | |
2019 Fed Cup | 02/07 10:25 | - | [126] Kateryna Kozlova v Viktoriya Tomova [158] | 3-6,2-6 | |
WTA - Hua Hin | 01/30 11:15 | 26 | [49] Ajla Tomljanovic v Kateryna Kozlova [95] | 7-6,6-1 | |
WTA - Hua Hin | 01/28 08:00 | 25 | [144] Conny Perrin v Kateryna Kozlova [95] | 4-6,6-3,3-6 | |
Australian Open - ženy | 01/15 06:00 | 23 | [48] Viktoria Kuzmova v Kateryna Kozlova [94] | 4-6,6-4,6-2 | |
WTA - Hobart | 01/07 02:45 | 25 | [285] Greet Minnen v Kateryna Kozlova [98] | 6-4,6-0 | |
WTA - Hobart | 01/06 01:45 | 64 | [81] Magda Linette v Kateryna Kozlova [98] | 7-6,6-7,6-4 | |
WTA - Hobart | 01/05 01:20 | 45 | [330] Irina Ramialison v Kateryna Kozlova [98] | 6-7,3-6 | |
WTA - Brisbane | 12/29 02:40 | 46 | [149] Harriet Dart v Kateryna Kozlova [98] | 2-6,6-1,7-6 | |
WTA - Brisbane | 12/28 05:40 | 45 | [159] Allie Kiick v Kateryna Kozlova [98] | 4-6,4-6 | |
ITF Women Toronto | 11/04 17:00 | 29 | [104] Kateryna Kozlova v Quirine Lemoine [316] | 2-6,3-6 | |
ITF Women Toronto | 11/03 16:20 | 28 | [104] Kateryna Kozlova v Jessika Ponchet [236] | 7-6,2-6,6-3 | |
ITF Women Toronto | 11/02 14:00 | 27 | [104] Kateryna Kozlova v Sherazad Reix [276] | 6-2,4-6,6-2 | |
ITF Women Toronto | 10/31 17:35 | 26 | [104] Kateryna Kozlova v Alexandra Cadantu [271] | 6-4,3-6,6-2 | |
ITF Women Toronto | 10/30 18:35 | 25 | Kateryna Kozlova v Nadja Gilchrist | 6-0,6-0 | |
ITF Women Saguenay | 10/26 20:10 | 27 | [106] Kateryna Kozlova v Katherine Sebov [273] | 1-6,1-6 | |
ITF Women Saguenay | 10/25 22:30 | 26 | Kateryna Kozlova v Alexandra Vagramov | 6-2,6-0 | |
ITF Women Saguenay | 10/23 20:20 | 25 | [106] Kateryna Kozlova v Sherazad Reix [279] | Retired | |
WTA - Luxemburg | 10/16 09:15 | 25 | [79] Dalila Jakupovic v Kateryna Kozlova [106] | 7-6,3-6,6-4 | |
WTA Tianjin | 10/09 06:10 | 25 | [107] Kateryna Kozlova v Barbora Krejčíková [227] | Retired | |
WTA Tashkent | 09/28 06:00 | 28 | [119] Kateryna Kozlova v Anastasia Potapova [132] | 2-6,3-6 | |
WTA Tashkent | 09/27 05:00 | 27 | [119] Kateryna Kozlova v Anna Karolina Schmiedlova [80] | 6-3,6-2 | |
WTA Tashkent | 09/26 07:25 | 26 | [119] Kateryna Kozlova v Fiona Ferro [114] | 7-5,6-4 |
Kateryna Ihorivna Kozlovová (ukr. Катерина Ігорівна Козлова, * 20. február 1994, Mykolajiv) je ukrajinská profesionálna tenistka. Počas svojej kariéry na okruhu WTA Tour nevyhrala žiadny turnaj ale v rámci okruhu ITF získala päť titulov vo dvojhre a trinásť vo štvorhre.