Kateryna Kozlova (#no-rank)
| wtatennis.com | WTA | Country |  Ukraine |
| Wikipedia | Eng / Fr | Birth | - |
| Career best ranking | Never ranked | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Hard (in.) | 1 | 2 | 33.33% |
| Hard (out.) | 2 | 4 | 33.33% |
| Grass | 0 | 1 | 0.00% |
| Clay | 0 | 3 | 0.00% |
| TOTAL | 3 | 10 | 23.08% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2021-11-08 | Finals |  Linz - Double Finals | Hard (in.) | 16e | #129 |  #107 Xinyu Wang | 2/6 6/2 6/3 | |
| 2 | 2021-10-25 | 250 |  Courmayeur Open WTA | Hard (in.) | 8e | #130 | #76 Dayana Yastremska | 6/1 3/6 7/5 | |
| 3 | 2021-10-25 | 250 | Courmayeur Open WTA | Hard (in.) | 16e | #130 | #148 Lucia Bronzetti | 6/1 6/3 | |
| 4 | 2021-10-06 | 1000 |  WTA Indian Wells Masters | Hard (out.) | 64e | #136 |  #42 Liudmila Samsonova | 6/4 7/6(6) | |
| 5 | 2021-09-27 | 500 | Chicago WTA | Hard (out.) | 16e | #138 |  #99 Elena-Gabriela Ruse | 7/5 6/2 | |
| 6 | 2021-09-27 | 500 | Chicago WTA | Hard (out.) | 32e | #138 | #56 Marta Kostyuk | 6/7(2) 6/3 6/0 | |
| 7 | 2021-06-28 | GS |  Wimbledon WTA | Grass | 64e | #158 |  #14 Victoria Azarenka | 6/1 6/2 | |
| 8 | 2021-05-30 | GS |  WTA Roland Garros | Clay | 64e | #159 |  #76 Ajla Tomljanovic | 6/2 6/4 | |
| 9 | 2021-04-29 | 1000 |  WTA Mutua Madrid Open | Clay | 32e | #137 |  #59 Laura Siegemund | 6/4 6/2 | |
| 10 | 2020-09-27 | GS | WTA Roland Garros | Clay | 64e | #99 | #87 Paula Badosa | 6/2 4/6 6/3 | |
| 11 | 2020-08-31 | GS | WTA US Open | Hard (out.) | 32e | #98 |  #12 Petra Kvitova | 7/6(3) 6/2 | |
| 12 | 2020-08-31 | GS | WTA US Open | Hard (out.) | 64e | #98 | #143 Whitney Osuigwe | 6/3 7/5 | |
| 13 | 2020-01-20 | GS | WTA Australian Open | Hard (out.) | 64e | #91 | #139 Priscilla Hon | 6/3 6/4 |
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Clay 
Grass 
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Hard outdoor 
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