| WTA Saint-Malo | 05/03 15:30 | 25 | [137] Kateryna Kozlova v Diane Parry [308] | 6-2,6-3 | |
| WTA Saint-Malo | 05/02 10:30 | 14 | Kateryna Kozlova v Emily Webley-Smith | Cancelled | |
| WTA Madrid | 04/29 13:40 | 24 | [137] Kateryna Kozlova v Laura Siegemund [59] | 4-6,2-6 | |
| WTA Madrid | 04/28 08:00 | 15 | [137] Kateryna Kozlova v Zarina Diyas [89] | 6-4,6-4 | |
| WTA Madrid | 04/27 08:00 | 14 | [66] Kaia Kanepi v Kateryna Kozlova [137] | 1-6,4-6 | |
| WTA Estambul | 04/20 09:25 | 25 | [130] Kateryna Kozlova v Sorana Cirstea [67] | 4-6,6-7 | |
| Open de Francia - Femenino | 09/29 15:20 | 23 | [99] Kateryna Kozlova v Paula Badosa [87] | 2-6,6-4,3-6 | |
| US Open - Femenino | 09/02 16:00 | 24 | [99] Kateryna Kozlova v Petra Kvitova [12] | 6-7,2-6 | |
| US Open - Femenino | 08/31 20:05 | 23 | [99] Kateryna Kozlova v Whitney Osuigwe [143] | 6-3,7-5 | |
| WTA Nueva York | 08/20 15:00 | 44 | [67] Laura Siegemund v Kateryna Kozlova [99] | 6-0,7-5 | |
| WTA Monterrey | 03/02 18:00 | 25 | [96] Kateryna Kozlova v Rebecca Peterson [45] | 6-3,6-7,4-6 | |
| Open de Australia - Femenino | 01/21 11:05 | 23 | [83] Kateryna Kozlova v Priscilla Hon [139] | 3-6,4-6 | |
| WTA Hobart | 01/15 03:55 | 26 | [91] Kateryna Kozlova v Shuai Zhang [40] | 6-4,1-6,2-6 | |
| WTA Hobart | 01/13 00:00 | 25 | [91] Kateryna Kozlova v Sara Sorribes Tormo [88] | 6-2,6-1 | |
| WTA Hobart | 01/12 00:00 | 64 | [89] Kateryna Kozlova v Camila Giorgi [99] | 6-2,6-2 | |
| WTA Hobart | 01/11 02:30 | 45 | Kateryna Kozlova v Jessica Fowler | 6-0,6-2 | |
| WTA Auckland | 01/07 02:00 | 25 | [25] Amanda Anisimova v Kateryna Kozlova [89] | 6-3,6-4 | |
| WTA Limoges | 12/16 21:05 | 25 | [91] Kateryna Kozlova v Jessika Ponchet [197] | 5-7,5-7 | |
| WTA Luxemburgo | 10/15 10:00 | - | Elise Mertens v Kateryna Kozlova | Cancelled | |
| WTA Linz | 10/09 11:30 | 26 | [83] Kateryna Kozlova v Cori Gauff [110] | Retired | |
| WTA Linz | 10/07 15:20 | 25 | [66] Anna Blinkova v Kateryna Kozlova [83] | 1-6,7-6,6-7 | |
| WTA Pekín | 09/28 03:00 | 46 | [70] Jennifer Brady v Kateryna Kozlova [77] | 6-2,4-6,6-4 | |
| WTA Pekín | 09/27 04:40 | 45 | [493] Xinyu Gao v Kateryna Kozlova [77] | 3-6,1-6 | |
| WTA Wuhan | 09/23 03:00 | 24 | [77] Kateryna Kozlova v Alison Riske [35] | 6-4,3-6,3-6 | |
| WTA Wuhan | 09/21 04:55 | 46 | [52] Rebecca Peterson v Kateryna Kozlova [72] | 1-6,6-4,5-7 | |
| WTA Wuhan | 09/20 03:00 | 45 | [168] Sachia Vickery v Kateryna Kozlova [72] | 7-5,6-7,0-6 | |
| WTA Guangzhou | 09/17 15:05 | 25 | [72] Kateryna Kozlova v Shuai Zhang [34] | 2-6,4-6 | |
| WTA Nanchang | 09/13 07:00 | 27 | [74] Kateryna Kozlova v Nina Stojanovic [134] | 7-6,4-6,4-6 | |
| WTA Nanchang | 09/11 08:50 | 26 | [74] Kateryna Kozlova v Dalila Jakupovic [154] | 6-2,6-2 | |
| WTA Nanchang | 09/09 08:30 | 25 | [76] Kateryna Kozlova v Greta Arn [347] | 6-2,6-1 |
Wikipedia - Kateryna Kozlova
Kateryna Kozlova (Mykolaiv, Ucrania, 20 de febrero de 1994) es una jugadora de tenis ucraniana.
Su mejor clasificación en la WTA fue la número 62 del mundo, lograda en febrero de 2018. En dobles alcanzó número 139 del mundo, que llegó el 22 de octubre de 2012. Hasta la fecha, ha ganado cinco individuales y trece títulos de dobles en el ITF tour.