H2H data updated: 2026-09-12 00:00 UTC

Madison Keys vs Casey Dellacqua H2H: 2-0

Madison Keys holds a 2–0 lead over Casey Dellacqua in their WTA head-to-head. Across 2 main-draw meetings, Madison Keys leads 2–0 on hard courts. Most recently, Madison Keys won the 2015 Australian Open second round 2-6 6-1 6-1.

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Madison Keys
United States Age 31 Right-Handed 178 cm / 5'10"
H2H
2 – 0
2 main-draw meetings
Casey Dellacqua
AUS Age 41 Left-Handed 165 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Madison Keys #35 2-6 6-1 6-1 Casey Dellacqua #29 Match data Jan 22, 2015* R64 Australian Open Grand Slam Hard
Madison Keys #105 6-4 7-6(0) Casey Dellacqua #102 Match data Jan 16, 2013* R128 Australian Open Grand Slam 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
Madison Keys #24 #5 5,004 2,134 374 217 63.3% 1 1 0 7 2 11
Casey Dellacqua #932 #26 1,725 1,757 80 106 43.0% 0 0 0 0 0 0

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 Madison Keys Casey Dellacqua
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
14 2009 1–1 50.0% #616 1,512 0 0 — — — — — — —
16 2011 1–2 33.3% #273 1,516 0 0 — — — — — — —
17 2012 1–4 20.0% #137 1,514 0 0 — — — — — — —
18 2013 24–17 58.5% #38 1,725 0 0 2003 0–1 0.0% #287 1,489 0 0
19 2014 27–21 56.2% #30 1,743 0 1 2004 0–2 0.0% #291 1,472 0 0
20 2015 31–19 62.0% #18 1,810 0 1 2005 1–2 33.3% #195 1,474 0 0
21 2016 46–18 71.9% #8 1,943 0 2 2006 3–4 42.9% #157 1,501 0 0
22 2017 17–10 63.0% #19 1,902 0 3 2007 6–12 33.3% #86 1,501 0 0
23 2018 28–16 63.6% #17 1,907 0 3 2008 18–17 51.4% #53 1,629 0 0
24 2019 27–13 67.5% #13 1,913 0 5 2009 0–3 0.0% #1002 1,597 0 0
25 2020 8–5 61.5% #16 1,869 0 5 2010 2–5 28.6% #227 1,563 0 0
26 2021 11–15 42.3% #56 1,733 0 5 2011 3–5 37.5% #134 1,541 0 0
27 2022 30–19 61.2% #11 1,865 0 6 2012 10–14 41.7% #101 1,592 0 0
28 2023 29–16 64.4% #12 1,907 0 7 2013 1–8 11.1% #142 1,490 0 0
29 2024 25–12 67.6% #21 1,945 0 8 2014 27–17 61.4% #29 1,741 0 0
30 2025 37–15 71.2% #7 1,964 1 10 2015 9–16 36.0% #116 1,628 0 0
31 2026 31–14 68.9% #24 1,982 1 11 — — — — — — —

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 Madison Keys Casey Dellacqua
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 2009 — — — — 1 1 2 50.0% — — — — — — — — — — — — — — — — —
16 2011 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — —
17 2012 1 4 5 20.0% — — — — — — — — — — — — — — — — — — — — —
18 2013 14 11 25 56.0% 5 4 9 55.6% 5 2 7 71.4% 2003 0 1 1 0.0% — — — — — — — —
19 2014 14 14 28 50.0% 5 5 10 50.0% 8 2 10 80.0% 2004 0 2 2 0.0% — — — — — — — —
20 2015 18 12 30 60.0% 9 5 14 64.3% 4 2 6 66.7% 2005 1 2 3 33.3% — — — — — — — —
21 2016 28 13 41 68.3% 10 4 14 71.4% 8 1 9 88.9% 2006 3 4 7 42.9% — — — — — — — —
22 2017 15 5 20 75.0% 1 4 5 20.0% 1 1 2 50.0% 2007 5 9 14 35.7% 0 1 1 0.0% 1 2 3 33.3%
23 2018 16 10 26 61.5% 10 5 15 66.7% 2 1 3 66.7% 2008 11 9 20 55.0% 4 5 9 44.4% 3 3 6 50.0%
24 2019 16 9 25 64.0% 10 3 13 76.9% 1 1 2 50.0% 2009 0 3 3 0.0% — — — — — — — —
25 2020 8 4 12 66.7% 0 1 1 0.0% — — — — 2010 2 4 6 33.3% — — — — 0 1 1 0.0%
26 2021 3 9 12 25.0% 3 4 7 42.9% 5 2 7 71.4% 2011 0 1 1 0.0% 2 3 5 40.0% 1 1 2 50.0%
27 2022 25 14 39 64.1% 4 4 8 50.0% 1 1 2 50.0% 2012 8 11 19 42.1% 0 1 1 0.0% 2 2 4 50.0%
28 2023 14 12 26 53.8% 6 3 9 66.7% 9 1 10 90.0% 2013 1 7 8 12.5% — — — — 0 1 1 0.0%
29 2024 7 6 13 53.8% 13 4 17 76.5% 5 2 7 71.4% 2014 19 12 31 61.3% 3 3 6 50.0% 5 2 7 71.4%
30 2025 24 8 32 75.0% 9 4 13 69.2% 4 3 7 57.1% 2015 3 9 12 25.0% 1 3 4 25.0% 5 4 9 55.6%
31 2026 14 9 23 60.9% 7 3 10 70.0% 10 2 12 83.3% — — — — — — — — — — — — —
Career — 218 142 360 60.6% 93 54 147 63.3% 63 21 84 75.0% — 53 74 127 41.7% 10 16 26 38.5% 17 16 33 51.5%

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 543/591 of Madison Keys's and 163/185 of Casey Dellacqua'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 Madison Keys Casey Dellacqua
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%
14 2009 2/2 3.0 2.0 47.5% 66.4% 55.5% 44.4% 41.7% 60.1% 39.4% — —/— — — — — — — — — —
16 2011 3/3 5.0 6.3 55.4% 67.2% 46.9% 60.5% 44.8% 58.2% 44.8% — —/— — — — — — — — — —
17 2012 5/5 2.0 3.4 58.1% 56.5% 44.8% 38.4% 32.9% 51.2% 36.0% — —/— — — — — — — — — —
18 2013 39/41 5.4 2.1 59.6% 70.0% 48.7% 65.0% 45.9% 61.4% 42.4% — —/— — — — — — — — — —
19 2014 45/48 4.8 1.9 60.0% 69.4% 50.0% 50.9% 48.7% 61.9% 43.5% 2004 1/2 2.0 6.0 53.4% 56.4% 41.2% 66.7% 37.5% 49.3% 43.8%
20 2015 38/50 7.3 2.2 62.2% 71.5% 51.3% 61.5% 48.1% 64.1% 41.2% 2005 1/3 1.0 7.0 54.3% 63.2% 50.0% 33.3% 42.9% 57.1% 36.8%
21 2016 49/64 5.5 1.9 64.4% 70.5% 52.7% 60.1% 52.6% 64.1% 43.8% 2006 1/7 1.0 7.0 47.4% 55.6% 40.0% 60.0% 0.0% 47.4% 26.5%
22 2017 27/27 4.5 2.9 62.7% 69.2% 49.3% 59.9% 47.8% 62.0% 43.9% 2007 17/18 1.8 3.6 60.5% 60.6% 44.5% 42.3% 53.2% 54.1% 44.7%
23 2018 42/44 5.3 1.6 64.0% 71.2% 47.8% 57.5% 45.0% 62.8% 44.2% 2008 31/35 2.9 4.3 58.6% 63.1% 44.2% 54.4% 49.5% 55.4% 45.2%
24 2019 40/40 6.9 2.5 62.0% 71.3% 47.2% 59.7% 46.2% 62.0% 43.9% 2009 3/3 1.0 5.3 52.8% 46.5% 36.2% 28.4% 13.9% 42.2% 38.4%
25 2020 13/13 4.8 0.9 67.7% 72.9% 51.8% 55.6% 48.6% 66.2% 44.1% 2010 7/7 1.0 3.4 53.5% 55.2% 40.5% 37.9% 37.3% 48.1% 42.3%
26 2021 26/26 4.6 2.4 63.7% 66.7% 43.0% 58.2% 39.9% 58.2% 41.3% 2011 6/8 2.0 4.5 64.2% 60.4% 45.9% 63.2% 81.9% 55.0% 44.2%
27 2022 48/49 4.4 3.1 63.3% 67.9% 48.2% 54.1% 44.3% 60.8% 43.7% 2012 22/24 1.0 3.8 62.7% 59.3% 39.5% 49.5% 47.4% 51.8% 43.4%
28 2023 43/45 3.9 1.9 67.5% 68.3% 48.3% 60.2% 48.0% 62.0% 44.4% 2013 9/9 0.9 3.0 61.8% 57.4% 45.2% 49.0% 53.9% 52.6% 33.7%
29 2024 36/37 3.8 2.7 69.4% 66.5% 46.5% 60.4% 46.5% 60.6% 44.9% 2014 41/44 1.7 3.0 59.5% 62.2% 49.4% 54.3% 48.9% 56.9% 43.5%
30 2025 42/52 4.4 3.8 65.8% 66.8% 46.6% 57.8% 44.0% 59.9% 45.5% 2015 24/25 2.0 3.3 62.4% 61.9% 50.1% 52.0% 50.0% 57.4% 39.6%
31 2026 45/45 4.2 3.5 64.3% 71.5% 47.4% 56.1% 48.8% 63.0% 45.1% — —/— — — — — — — — — —
Career — 543/591 5.0 2.5 63.7% 69.3% 48.5% 58.1% 46.7% 61.8% 43.7% — 163/186 1.8 3.6 60.1% 60.8% 45.6% 50.9% 49.4% 54.6% 42.6%

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 Madison Keys Casey Dellacqua
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 2009 1513 104.9 -0.92 -0.60 0.987 49.0% — — — 50.0% -0.75 — — — -0.15 — — — — — — — — — — — — — — — —
16 2011 1517 113.3 -3.13 -0.25 1.071 51.6% +19 — — 50.0% +0.25 0–2 0–1 — -0.02 — — — — — — — — — — — — — — — —
17 2012 1514 113.2 -0.48 -2.14 0.738 43.5% +13 — — 18.2% -2.09 1–0 0–1 — -0.51 — — — — — — — — — — — — — — — —
18 2013 1726 137.3 +4.59 -0.90 1.100 51.9% -46 -118 -57 58.2% +0.62 4–5 (44%) 5–6 (45%) 99.0 +0.04 2003 1489 100.3 — — — — — — — 33.3% -2.33 0–1 1–0 — +0.02
19 2014 1744 136.9 +5.12 +0.02 1.142 52.3% -64 -93 +79 56.9% +0.45 6–10 (38%) 7–8 (47%) 96.1 -0.67 2004 1473 96.4 -3.43 -1.30 0.865 46.6% — — — 0.0% -2.50 — — — -0.14
20 2015 1811 145.8 +4.84 +0.40 1.147 52.7% -23 -103 +11 63.6% +1.03 7–8 (47%) 5–5 (50%) 96.8 +0.70 2005 1475 101.7 -1.70 -1.14 0.860 46.6% +3 — — 42.9% -1.14 0–1 0–1 — -0.05
21 2016 1943 152.0 +7.53 +1.31 1.219 53.7% -32 -117 -34 65.8% +1.11 17–6 (74%) 14–10 (58%) 107.1 -0.49 2006 1501 113.4 -0.08 -1.23 0.504 37.7% -2 — — 37.5% -1.00 2–0 1–1 — -0.22
22 2017 1903 141.2 +3.97 +1.46 1.155 52.9% +43 -160 — 62.5% +0.75 4–6 (40%) 4–2 (67%) 97.5 +0.26 2007 1502 122.1 -1.56 -0.63 0.973 49.3% +17 — +91 43.2% -0.18 1–7 (13%) — — -0.01
23 2018 1908 147.8 +5.83 +1.52 1.190 53.3% +17 -74 -12 68.1% +1.16 5–6 (45%) 7–4 (64%) 100.2 +1.54 2008 1630 126.8 -0.29 +1.02 1.014 50.2% +9 -98 -24 47.5% -0.18 8–6 (57%) 2–5 (29%) 103.0 +0.09
24 2019 1913 148.9 +4.30 +0.69 1.158 52.9% +7 -4 — 66.3% +1.05 7–7 (50%) 8–5 (62%) 99.5 +0.99 2009 1598 101.9 -2.95 -1.13 0.664 40.6% +4 — — 0.0% -3.67 — 0–1 — -0.17
25 2020 1869 136.6 +5.26 +1.22 1.305 54.4% +23 — — 65.4% +1.46 1–1 1–1 — +0.59 2010 1563 103.6 -3.53 -0.93 0.814 45.4% +23 — — 31.3% -1.50 1–1 2–2 (50%) — +0.55
26 2021 1733 127.6 +1.29 -0.81 0.988 49.7% +11 +120 +234 43.6% -0.07 3–2 (60%) 0–5 (0%) 97.1 +1.25 2011 1541 104.0 -1.59 -2.06 0.982 49.7% — -17 — 42.1% -0.26 1–2 (33%) 1–0 — +0.43
27 2022 1866 154.5 +3.52 +1.76 1.116 52.1% +14 -43 — 61.1% +0.58 8–9 (47%) 11–3 (79%) 100.5 -1.43 2012 1593 122.1 -1.70 -0.55 0.901 47.8% -3 — +45 42.3% -0.52 4–2 (67%) 0–2 — -0.51
28 2023 1908 154.0 +4.44 +2.18 1.168 53.1% -24 -103 +181 65.3% +1.28 5–6 (45%) 5–5 (50%) 98.3 +0.85 2013 1490 95.2 -2.07 -4.32 0.712 44.0% +4 — — 15.8% -2.16 0–1 0–2 — +1.12
29 2024 1945 153.9 +3.89 +2.77 1.137 52.5% -67 +54 +149 67.1% +1.18 5–3 (63%) 9–3 (75%) 105.9 +0.01 2014 1742 139.6 +0.67 +0.45 1.011 50.3% -28 -176 -39 55.2% +0.23 13–6 (68%) 4–5 (44%) 108.7 +0.21
30 2025 1964 160.3 +2.87 +2.39 1.133 52.4% +63 +39 +107 63.5% +0.80 16–6 (73%) 10–7 (59%) 107.8 -0.52 2015 1629 117.9 -0.10 -0.71 0.929 48.4% -22 -90 +90 43.1% -0.65 1–7 (13%) 3–3 (50%) 93.4 -0.22
31 2026 1982 152.9 +5.10 +2.77 1.218 53.6% -16 +38 +175 65.7% +1.21 8–8 (50%) 6–7 (46%) 93.5 +1.20 2016 1613 — — — — — — — — — — — — — —
Career — 2135 155.9 +4.47 +1.22 1.145 52.6% -6 -39 +96 62.4% +0.87 97–85 (53%) 92–73 (56%) 101.0 +0.62 — 1758 127.4 -0.70 -0.33 0.939 48.7% -5 -99 +29 43.8% -0.46 31–34 (48%) 14–22 (39%) 100.0 +0.60

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.