Kozlova K.
01/Record by surface
146 starts on all surfaces, 5 ended by retirement and kept, 2 walkovers listed and not counted. A count, not a record: the three records above are never added. The record begins with the 2013 season; her earlier matches are not in it.
02/Round reached
| Stage | Entries ending here | Record at this round |
|---|---|---|
| Champion | 0 of 86 | |
| Final | 1 of 86 | 0-1 in 1 |
| Semifinal | 4 of 86 | 1-4 in 5 |
| Quarterfinal | 10 of 86 | 5-10 in 15 |
| 3rd Round | 3 of 86 | 0-3 in 3 |
| 2nd Round | 20 of 86 | 17-19 in 36 |
| 1st Round | 48 of 86 | 38-48 in 86 |
An entry is one tournament in one season; its stage is the last round the draw shows her in, and a champion’s is the trophy. The record at a round counts matches started at that round, so a walkover moves her on without a line here.
03/By level
| Level | Starts | Hard | Clay | Grass | Titles |
|---|---|---|---|---|---|
| International | 93 | 32-38 | 8-11 | 2-2 | 0 |
| Grand Slam | 22 | 2-10 | 2-4 | 0-4 | 0 |
| WTA250 | 14 | 1-2 | 5-3 | 2-1 | 0 |
| Premier | 13 | 3-5 | 3-2 | none | 0 |
| WTA1000 | 2 | 0-1 | 0-1 | none | 0 |
| WTA500 | 2 | 1-1 | none | none | 0 |
04/By season
| Season | Starts | Hard | Clay | Grass | Finals | Titles | Rank, newest row |
|---|---|---|---|---|---|---|---|
| 2021 | 20 | 2-4 | 5-5 | 2-2 | 0 | 0 | 145 |
| 2020 | 8 | 2-5 | 0-1 | none | 0 | 0 | 99 |
| 2019 | 28 | 8-11 | 5-3 | 0-1 | 0 | 0 | 83 |
| 2018 | 26 | 9-9 | 2-4 | 0-2 | 1 | 0 | 106 |
| 2017 | 19 | 5-8 | 2-4 | none | 0 | 0 | 81 |
| 2016 | 23 | 6-5 | 4-4 | 2-2 | 0 | 0 | 98 |
| 2015 | 15 | 5-10 | none | none | 0 | 0 | 163 |
| 2014 | 4 | 1-3 | none | none | 0 | 0 | 162 |
| 2013 | 3 | 1-2 | none | none | 0 | 0 | 196 |
Each season is the same count over that season’s matches alone, each surface with its own starts. A season with a start on no grass court says none rather than 0-0. December openers file to the season they open. Finals counts the finals that crowned a champion, a walkover final among them, so Titles is a subset of it and a final lost shows in the gap; the surface columns count starts, which a walkover is not.
05/Head to head
A record, never a share: the most-met opponent is Zhang S., 2-3 in 5 meetings. A percentage of meetings is a win probability wearing a hat, and this section prints none. Meetings are matches started; a walkover between the two is noted and counted in neither column.
06/Match log
| Opponent | Score | Date | Tournament | Surface | Round | Result | Her rank |
|---|---|---|---|---|---|---|---|
| Wang Xin.No. 106 that day | 6-2, 2-6, 3-6 | Nov 8, 2021 | Generali Ladies Linz OpenWTA250 | hard | 1st round | L | 145 |
| Yastremska D.No. 79 that day | 1-6, 6-3, 5-7 | Oct 27, 2021 | Courmayeur Ladies OpenWTA250 | hard | 2nd round | L | 132 |
| Bronzetti L.No. 148 that day | 6-1, 6-3 | Oct 25, 2021 | Courmayeur Ladies OpenWTA250 | hard | 1st round | W | 132 |
| Samsonova L.No. 42 that day | 4-6, 6-7 | Oct 6, 2021 | BNP Paribas OpenWTA1000 | hard | 1st round | L | 136 |
| Ruse E.G.No. 98 that day | 5-7, 2-6 | Sep 29, 2021 | Chicago Fall Tennis ClassicWTA500 | hard | 2nd round | L | 140 |
| Kostyuk M.No. 57 that day | 6-7, 6-3, 6-0 | Sep 27, 2021 | Chicago Fall Tennis ClassicWTA500 | hard | 1st round | W | 140 |
| Kawa K.No. 143 that day | 5-7, 7-5, 6-1 | Jul 24, 2021 | Poland OpenWTA250 | clay | quarterfinal | W | 154 |
| Zanevska M.No. 193 that day | 2-6, 6-4, 3-6 | Jul 24, 2021 | Poland OpenWTA250 | clay | semifinal | L | 154 |
| Sasnovich A.No. 86 that day | 2-6, 6-4, 6-3 | Jul 22, 2021 | Poland OpenWTA250 | clay | 2nd round | W | 154 |
| Volynets K.No. 183 that day | 7-6, 6-2 | Jul 19, 2021 | Poland OpenWTA250 | clay | 1st round | W | 154 |
| Putintseva Y.No. 42 that day | 7-6, 0-6, 5-7 | Jul 16, 2021 | Budapest OpenWTA250 | clay | quarterfinal | L | 154 |
| Bogdan A.No. 98 that day | 4-6, 6-4, 6-2 | Jul 14, 2021 | Budapest OpenWTA250 | clay | 2nd round | W | 154 |
| Haas B.No. 158 that day | 7-6, 6-3 | Jul 12, 2021 | Budapest OpenWTA250 | clay | 1st round | W | 154 |
| Azarenka V.No. 14 that day | 1-6, 3-6 | Jun 30, 2021 | WimbledonGrand Slam | grass | 1st round | L | 157 |
| Konta J.No. 20 that day | 2-6, 6-1, 3-6 | Jun 10, 2021 | Nottingham OpenWTA250 | grass | 3rd round | L | 159 |
| Brengle M.No. 84 that day | 6-3, 5-7, 6-3 | Jun 8, 2021 | Nottingham OpenWTA250 | grass | 2nd round | W | 159 |
| Gasanova A.No. 173 that day | 1-6, 6-4, 6-4 | Jun 6, 2021 | Nottingham OpenWTA250 | grass | 1st round | W | 159 |
| Tomljanovic A.No. 76 that day | 2-6, 4-6 | May 30, 2021 | French OpenGrand Slam | clay | 1st round | L | 159 |
| Siegemund L.No. 59 that day | 4-6, 2-6 | Apr 29, 2021 | Mutua Madrid OpenWTA1000 | clay | 1st round | L | 137 |
| Cirstea S.No. 67 that day | 4-6, 6-7 | Apr 20, 2021 | Istanbul CupWTA250 | clay | 1st round | L | 130 |
| Badosa P.No. 87 that day | 2-6, 6-4, 3-6 | Sep 29, 2020 | French OpenGrand Slam | clay | 1st round | L | 99 |
| Kvitova P.No. 12 that day | 6-7, 2-6 | Sep 2, 2020 | US OpenGrand Slam | hard | 2nd round | L | 99 |
| Osuigwe W.No. 143 that day | 6-3, 7-5 | Aug 31, 2020 | US OpenGrand Slam | hard | 1st round | W | 99 |
| Peterson R.No. 45 that day | 6-3, 6-7, 4-6 | Mar 2, 2020 | Monterrey OpenInternational | hard | 1st round | L | 96 |
| Hon P.No. 139 that day | 3-6, 4-6 | Jan 21, 2020 | Australian OpenGrand Slam | hard | 1st round | L | 83 |
| Zhang S.No. 40 that day | 6-4, 1-6, 2-6 | Jan 15, 2020 | Hobart InternationalInternational | hard | 2nd round | L | 91 |
| Sorribes Tormo S.No. 88 that day | 6-2, 6-1 | Jan 13, 2020 | Hobart InternationalInternational | hard | 1st round | W | 91 |
| Anisimova A.No. 25 that day | 3-6, 4-6 | Jan 7, 2020 | ASB ClassicInternational | hard | 1st round | L | 89 |
| Gauff C.No. 110 that day | 6-4, 4-6, 0-2 | Oct 9, 2019 | Generali Ladies LinzInternational | hard | 2nd round | Lret. | 83 |
| Blinkova A.No. 66 that day | 6-1, 6-7, 7-6 | Oct 7, 2019 | Generali Ladies LinzInternational | hard | 1st round | W | 83 |
| Riske A.No. 35 that day | 6-4, 3-6, 3-6 | Sep 23, 2019 | Wuhan OpenPremier | hard | 1st round | L | 77 |
| Zhang S.No. 34 that day | 2-6, 4-6 | Sep 17, 2019 | Guangzhou OpenInternational | hard | 1st round | L | 72 |
| Stojanovic N.No. 134 that day | 7-6, 4-6, 4-6 | Sep 13, 2019 | Jiangxi Women's Tennis OpenInternational | hard | quarterfinal | L | 74 |
| Jakupovic D.No. 154 that day | 6-2, 6-2 | Sep 11, 2019 | Jiangxi Women's Tennis OpenInternational | hard | 2nd round | W | 74 |
| Arn G.No. 369 that day | 6-2, 6-1 | Sep 9, 2019 | Jiangxi Women's Tennis OpenInternational | hard | 1st round | W | 74 |
| Townsend T.No. 116 that day | 6-3, 3-6, 2-6 | Aug 27, 2019 | US OpenGrand Slam | hard | 1st round | L | 76 |
| Cornet A.No. 64 that day | 4-6, 2-6 | Aug 18, 2019 | Bronx OpenInternational | hard | 1st round | L | 74 |
| Davis L.No. 95 that day | 3-6, 2-6 | Jul 2, 2019 | WimbledonGrand Slam | grass | 1st round | L | 66 |
| Svitolina E.No. 9 that day | no set played | May 29, 2019 | French OpenGrand Slam | clay | 2nd round | W/Owalkover, not counted | 67 |
| Pera B.No. 85 that day | 6-2, 7-6 | May 26, 2019 | French OpenGrand Slam | clay | 1st round | W | 67 |
| Bencic B.No. 18 that day | 0-6, 2-6 | May 8, 2019 | Mutua Madrid OpenPremier | clay | 3rd round | L | 85 |
| Pliskova Ka.No. 5 that day | 7-5, 2-6, 6-4 | May 7, 2019 | Mutua Madrid OpenPremier | clay | 2nd round | W | 85 |
| Zhang S.No. 45 that day | 6-3, 6-2 | May 5, 2019 | Mutua Madrid OpenPremier | clay | 1st round | W | 85 |
| Mladenovic K.No. 66 that day | 1-6, 2-6 | Apr 25, 2019 | Istanbul CupInternational | clay | 2nd round | L | 91 |
| Potapova A.No. 74 that day | 6-3, 1-0 | Apr 24, 2019 | Istanbul CupInternational | clay | 1st round | Wret., opponent retired | 91 |
| Sabalenka A.No. 10 that day | 6-3, 3-6, 3-6 | Apr 3, 2019 | Family Circle CupPremier | clay | 2nd round | L | 99 |
| Pliskova Kr.No. 93 that day | 7-5, 6-4 | Apr 2, 2019 | Family Circle CupPremier | clay | 1st round | W | 99 |
| Halep S.No. 2 that day | 6-7, 5-7 | Mar 10, 2019 | BNP Paribas OpenPremier | hard | 3rd round | L | 114 |
| Sasnovich A.No. 34 that day | 6-4, 2-6, 6-0 | Mar 8, 2019 | BNP Paribas OpenPremier | hard | 2nd round | W | 114 |
| Siniakova K.No. 42 that day | 7-5, 6-2 | Mar 6, 2019 | BNP Paribas OpenPremier | hard | 1st round | W | 114 |
The 50 most recent of 148 rows. The older rows are in every count on this page and are printed on other pages, not dropped: each one is on one of the 114 head-to-head pages linked above, which carry every meeting, and on its tournament’s page.
Main-draw singles on the tour, 2013 to 2021, counted from the match rows. A match ended by retirement keeps the sets that were completed and is marked; a walkover is listed with no score and enters no count. Ranks are the tour’s ranking on the day of the match. No serve statistic appears on this page: the one archive that carries them is licensed for non-commercial use only. The WTA record runs through Aug 30, 2026.