H2H data updated: 2026-09-13 00:00 UTC

Kimberly Birrell vs Caroline Wozniacki H2H: 0-1

Caroline Wozniacki holds a 1–0 lead over Kimberly Birrell in their WTA head-to-head. Across 1 main-draw meeting, Caroline Wozniacki leads 1–0 on hard courts. Most recently, Caroline Wozniacki won the 2023 Canadian Open first round 6-2 6-2.

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Kimberly Birrell
Australia Age 28 Right-Handed 170 cm / 5'7"
H2H
0 – 1
1 main-draw meetings
Caroline Wozniacki
Denmark Age 36 Right-Handed 177 cm / 5'10"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Caroline Wozniacki 6-2 6-2 Kimberly Birrell #114 Match data Aug 9, 2023* R64 Canadian Open WTA 1000 Hard

Estimated match date where the exact historical date is unavailable. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.

Career Comparison

Player Current Peak Pts Elo W L Win % GS 1000 including documented historical predecessor categories Finals 500 including documented historical predecessor categories 250 including documented historical predecessor categories Titles
Kimberly Birrell #71 #60 999 1,834 48 62 43.6% 0 0 0 0 0 0
Caroline Wozniacki #289 #1 10,255 2,154 620 275 69.3% 1 6 1 11 11 30

Career Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.

Age Kimberly Birrell Caroline Wozniacki
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
14 — — — — — — — 2005 0–2 0.0% — 1,482 0 0
15 — — — — — — — 2006 4–4 50.0% #231 1,527 0 0
16 — — — — — — — 2007 12–15 44.4% #60 1,555 0 0
17 — — — — — — — 2008 53–20 72.6% #12 1,913 0 3
18 2016 1–2 33.3% #516 1,508 0 0 2009 66–25 72.5% #4 1,898 0 6
19 — — — — — — — 2010 63–17 78.8% #1 2,105 0 12
20 — — — — — — — 2011 63–17 78.8% #1 1,988 0 18
21 2019 3–2 60.0% #250 1,516 0 0 2012 50–21 70.4% #10 1,975 0 20
22 — — — — — — — 2013 41–22 65.1% #10 1,906 0 21
23 2021 2–3 40.0% #741 1,517 0 0 2014 49–19 72.1% #8 2,014 0 22
24 2022 1–1 50.0% #174 1,486 0 0 2015 39–23 62.9% #17 1,817 0 23
25 2023 8–10 44.4% #115 1,557 0 0 2016 34–18 65.4% #19 1,912 0 25
26 2024 7–8 46.7% #113 1,688 0 0 2017 60–22 73.2% #3 2,004 0 27
27 2025 14–18 43.8% #98 1,678 0 0 2018 41–17 70.7% #3 1,947 1 30
28 2026 12–18 40.0% #71 1,695 0 0 2019 20–15 57.1% #38 1,845 1 30
29 — — — — — — — 2020 5–2 71.4% #36 1,852 1 30
32 — — — — — — — 2023 4–3 57.1% #249 1,862 1 30
33 — — — — — — — 2024 16–13 55.2% #70 1,845 1 30

Surface Results by Age

Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.

Age Kimberly Birrell Caroline Wozniacki
Yr HardClayGrass Yr HardClayGrass
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
14 — — — — — — — — — — — — — 2005 0 2 2 0.0% — — — — — — — —
15 — — — — — — — — — — — — — 2006 4 4 8 50.0% — — — — — — — —
16 — — — — — — — — — — — — — 2007 8 10 18 44.4% 3 4 7 42.9% 1 1 2 50.0%
17 — — — — — — — — — — — — — 2008 42 13 55 76.4% 7 5 12 58.3% 4 2 6 66.7%
18 2016 1 2 3 33.3% — — — — — — — — 2009 35 18 53 66.0% 23 6 29 79.3% 8 1 9 88.9%
19 — — — — — — — — — — — — — 2010 45 9 54 83.3% 15 6 21 71.4% 3 2 5 60.0%
20 — — — — — — — — — — — — — 2011 40 11 51 78.4% 20 5 25 80.0% 3 1 4 75.0%
21 2019 3 2 5 60.0% — — — — — — — — 2012 42 14 56 75.0% 5 4 9 55.6% 3 3 6 50.0%
22 — — — — — — — — — — — — — 2013 34 14 48 70.8% 3 6 9 33.3% 4 2 6 66.7%
23 2021 2 3 5 40.0% — — — — — — — — 2014 42 15 57 73.7% 1 2 3 33.3% 6 2 8 75.0%
24 2022 1 1 2 50.0% — — — — — — — — 2015 26 17 43 60.5% 7 4 11 63.6% 6 2 8 75.0%
25 2023 6 7 13 46.2% 1 2 3 33.3% 1 1 2 50.0% 2016 31 14 45 68.9% — — — — 3 4 7 42.9%
26 2024 5 7 12 41.7% — — — — 2 1 3 66.7% 2017 41 14 55 74.5% 12 6 18 66.7% 7 2 9 77.8%
27 2025 13 12 25 52.0% 0 3 3 0.0% 1 3 4 25.0% 2018 26 12 38 68.4% 9 4 13 69.2% 6 1 7 85.7%
28 2026 9 12 21 42.9% 1 2 3 33.3% 2 4 6 33.3% 2019 12 9 21 57.1% 4 4 8 50.0% 4 2 6 66.7%
29 — — — — — — — — — — — — — 2020 5 2 7 71.4% — — — — — — — —
32 — — — — — — — — — — — — — 2023 4 3 7 57.1% — — — — — — — —
33 — — — — — — — — — — — — — 2024 10 7 17 58.8% 2 3 5 40.0% 4 3 7 57.1%
Career — 40 46 86 46.5% 2 7 9 22.2% 6 9 15 40.0% — 447 188 635 70.4% 111 59 170 65.3% 62 28 90 68.9%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 93/111 of Kimberly Birrell's and 788/893 of Caroline Wozniacki's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.

Age Kimberly Birrell Caroline Wozniacki
Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts% Yr Sample Aces/M DFs/M 1st Sv% 1st Pts% 2nd Pts% BP Saved% BP Conv% Svc Pts% Ret Pts%
15 — —/— — — — — — — — — — 2006 3/8 2.7 2.3 65.7% 58.9% 51.0% 43.9% 42.3% 56.6% 49.3%
16 — —/— — — — — — — — — — 2007 18/27 1.1 3.2 67.3% 56.6% 40.0% 54.4% 45.4% 51.4% 41.8%
17 — —/— — — — — — — — — — 2008 63/73 2.1 2.1 65.9% 65.6% 50.8% 58.8% 54.4% 60.4% 49.1%
18 2016 3/3 2.0 2.0 62.8% 47.3% 53.1% 47.6% 50.0% 50.4% 31.6% 2009 86/91 2.0 1.7 68.9% 64.2% 50.0% 52.2% 49.6% 59.7% 48.6%
19 — —/— — — — — — — — — — 2010 71/80 1.8 1.9 68.9% 65.3% 50.2% 59.5% 50.1% 60.6% 48.1%
20 — —/— — — — — — — — — — 2011 73/80 1.6 1.6 70.6% 65.6% 51.4% 58.1% 53.0% 61.5% 51.1%
21 2019 5/5 2.6 4.8 62.8% 63.4% 36.3% 60.9% 38.9% 53.5% 39.6% 2012 60/71 1.8 1.6 66.8% 63.6% 51.4% 59.5% 52.9% 59.4% 47.5%
22 — —/— — — — — — — — — — 2013 56/63 1.5 1.8 69.1% 62.5% 50.3% 59.3% 54.1% 58.9% 47.5%
23 2021 5/5 2.6 3.6 64.2% 63.4% 42.2% 53.1% 44.5% 55.8% 41.1% 2014 61/68 2.3 2.6 69.6% 66.0% 48.0% 58.7% 53.3% 60.4% 48.1%
24 2022 2/2 1.5 8.0 56.7% 55.4% 42.7% 42.3% 23.2% 49.9% 40.8% 2015 51/62 2.0 1.9 69.9% 65.3% 52.6% 50.4% 51.3% 61.5% 46.7%
25 2023 18/18 1.6 4.4 60.7% 62.1% 44.2% 52.1% 49.4% 55.1% 45.2% 2016 44/52 2.1 2.1 67.7% 66.5% 46.3% 57.0% 56.3% 59.9% 47.8%
26 2024 15/15 2.2 3.5 64.0% 63.3% 47.4% 52.6% 48.1% 57.6% 40.8% 2017 76/82 2.6 2.2 67.6% 65.7% 49.4% 56.8% 51.6% 60.2% 47.8%
27 2025 17/32 2.1 6.4 59.2% 64.9% 40.0% 53.6% 42.7% 54.7% 39.2% 2018 50/58 3.0 2.5 64.9% 68.0% 48.4% 52.5% 54.9% 61.2% 48.3%
28 2026 28/31 1.9 5.8 63.5% 62.5% 40.7% 48.0% 56.5% 54.5% 41.3% 2019 35/35 2.8 1.8 65.3% 63.2% 50.1% 51.6% 50.7% 58.5% 44.4%
29 — —/— — — — — — — — — — 2020 7/7 3.1 1.3 70.4% 68.7% 54.5% 63.1% 43.8% 64.8% 49.2%
32 — —/— — — — — — — — — — 2023 7/7 2.1 3.0 61.5% 67.5% 47.4% 57.7% 36.6% 59.6% 44.8%
33 — —/— — — — — — — — — — 2024 27/29 1.8 2.6 64.3% 65.3% 47.6% 55.5% 55.0% 59.1% 46.8%
Career — 93/111 2.0 5.0 62.1% 62.5% 42.6% 51.4% 48.7% 54.9% 41.2% — 788/895 2.1 2.0 67.9% 65.0% 49.7% 56.4% 52.2% 60.0% 47.9%

Advanced Statistics Comparison by Age

Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.

Age Kimberly Birrell Caroline Wozniacki
Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule Yr Elo P+ Serve+ Return+ PD TPW% Hard Elo Clay Elo Grass Elo Set Win % Set Margin Dec. Set Tiebreak Pressure+ Schedule
14 — — — — — — — — — — — — — — — — 2005 1482 101.4 — — — — — — — 0.0% -3.75 — 0–1 — -0.25
15 — — — — — — — — — — — — — — — — 2006 1527 119.1 +0.53 +0.91 1.137 52.5% +17 — — 47.1% -0.12 1–0 — — -0.46
16 — — — — — — — — — — — — — — — — 2007 1556 117.2 -2.81 -1.82 0.860 46.7% +15 -35 — 46.0% -0.59 4–5 (44%) 7–1 (88%) 103.2 +0.40
17 — — — — — — — — — — — — — — — — 2008 1914 154.8 +4.79 +4.70 1.241 54.7% -5 -303 -228 69.9% +1.69 9–5 (64%) 6–8 (43%) 104.7 -0.96
18 2016 1509 103.2 -0.55 -0.09 0.637 40.5% +9 — — 33.3% -1.67 — — — -0.35 2009 1899 153.9 +3.97 +4.82 1.208 54.1% -27 -24 -64 69.4% +1.47 15–8 (65%) 11–7 (61%) 106.6 -0.77
19 — — — — — — — — — — — — — — — — 2010 2105 166.0 +4.94 +4.76 1.219 54.3% +27 -204 -284 72.4% +1.70 18–4 (82%) 8–2 (80%) 113.4 +1.46
20 2018 1476 98.5 — — — — — — — — — — — — — 2011 1988 162.1 +5.76 +7.01 1.328 56.0% +52 -9 -153 74.7% +1.90 11–7 (61%) 10–5 (67%) 101.2 +1.97
21 2019 1516 110.7 -0.48 -1.55 0.850 46.8% +33 — — 50.0% -0.33 2–0 1–0 — -0.02 2012 1976 156.2 +3.80 +4.12 1.171 53.6% +42 -42 -144 66.9% +1.29 15–9 (63%) 11–8 (58%) 100.8 +0.75
22 — — — — — — — — — — — — — — — — 2013 1906 152.3 +3.39 +3.53 1.156 53.3% +82 -137 -61 61.0% +1.06 9–9 (50%) 6–9 (40%) 92.0 +3.21
23 2021 1518 104.1 -2.12 -0.93 0.929 49.0% +30 — — 36.4% -1.09 1–0 0–1 — +0.48 2014 2014 163.0 +4.24 +5.25 1.216 54.2% +24 -280 -133 64.9% +1.45 16–6 (73%) 5–10 (33%) 100.3 -0.30
24 2022 1486 95.4 -2.40 +1.40 0.815 45.9% — — — 40.0% -1.40 1–0 — — +0.14 2015 1818 153.2 +3.21 +4.72 1.211 54.0% +6 -9 +74 62.6% +1.23 9–6 (60%) 8–7 (53%) 101.2 -0.90
25 2023 1557 123.2 -1.73 +1.11 1.007 50.1% +43 -88 — 46.2% -0.08 1–2 (33%) 3–2 (60%) 100.5 +0.87 2016 1912 146.8 +3.41 +3.91 1.191 53.8% +27 — -117 65.2% +1.25 8–7 (53%) 3–5 (38%) 96.7 -0.32
26 2024 1689 122.0 +0.40 -1.41 0.962 49.5% +9 — -77 43.3% -0.43 1–1 0–4 (0%) — +0.83 2017 2004 161.0 +3.91 +4.92 1.202 54.0% +52 -146 -103 68.5% +1.56 17–8 (68%) 5–6 (45%) 103.2 +0.13
27 2025 1679 134.0 -1.71 -2.60 0.866 46.9% +54 -259 -143 44.7% -0.36 6–6 (50%) 5–6 (45%) 97.7 -0.02 2018 1947 156.8 +4.39 +5.24 1.245 54.7% +6 -64 +24 67.7% +1.47 12–6 (67%) 6–7 (46%) 101.2 +0.11
28 2026 1695 133.4 -1.46 -0.89 0.908 48.1% +45 -271 -78 42.7% -0.55 7–8 (47%) 3–7 (30%) 96.3 -0.67 2019 1845 144.8 +1.89 +0.99 1.069 51.3% +47 -6 +118 60.8% +0.70 3–7 (30%) 5–2 (71%) 96.0 +0.87
29 — — — — — — — — — — — — — — — — 2020 1853 131.5 +2.36 +2.51 1.397 56.9% +35 — — 70.6% +1.71 1–2 (33%) — — +0.18
32 — — — — — — — — — — — — — — — — 2023 1863 134.9 +2.02 +2.05 1.110 51.8% +58 — — 56.3% +0.56 1–1 1–0 — -0.17
33 — — — — — — — — — — — — — — — — 2024 1845 140.8 +1.93 +2.73 1.145 53.0% +44 -42 +224 58.1% +0.77 4–6 (40%) 2–1 (67%) 96.6 +0.15
Career — 1835 128.4 -1.23 -0.86 0.914 48.2% +39 -206 -98 43.7% -0.46 19–17 (53%) 12–20 (38%) 96.8 +1.15 — 2154 160.9 +3.83 +4.42 1.199 53.9% +28 -90 -57 66.3% +1.33 153–96 (61%) 94–79 (54%) 104.3 +0.57

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.