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

Simona Halep vs Casey Dellacqua H2H: 1-0

Simona Halep holds a 1–0 lead over Casey Dellacqua in their WTA head-to-head. Across 1 main-draw meeting, Simona Halep leads 1–0 on hard courts. Most recently, Simona Halep won the 2014 Indian Wells Open quarterfinal 6-2 6-2.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Simona Halep
ROU Age 34 Right-Handed 168 cm / 5'6"
H2H
1 – 0
1 main-draw meetings
Casey Dellacqua
AUS Age 41 Left-Handed 165 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Simona Halep #7 6-2 6-2 Casey Dellacqua #78 Match data Mar 12, 2014* QF Indian Wells Open Premier Mandatory → modern equivalent 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
Simona Halep #873 #1 8,290 2,120 449 201 69.1% 2 9 1 3 9 24
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 Simona Halep Casey Dellacqua
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 2010 7–9 43.8% #84 1,552 0 0 2003 0–1 0.0% #287 1,489 0 0
19 2011 16–22 42.1% #47 1,591 0 0 2004 0–2 0.0% #291 1,472 0 0
20 2012 23–24 48.9% #47 1,691 0 0 2005 1–2 33.3% #195 1,474 0 0
21 2013 50–17 74.6% #11 2,003 0 6 2006 3–4 42.9% #157 1,501 0 0
22 2014 46–18 71.9% #3 1,995 0 8 2007 6–12 33.3% #86 1,501 0 0
23 2015 49–16 75.4% #2 1,934 0 11 2008 18–17 51.4% #53 1,629 0 0
24 2016 43–16 72.9% #4 1,980 0 14 2009 0–3 0.0% #1002 1,597 0 0
25 2017 45–18 71.4% #1 1,988 0 15 2010 2–5 28.6% #227 1,563 0 0
26 2018 45–12 78.9% #1 2,013 1 18 2011 3–5 37.5% #134 1,541 0 0
27 2019 39–17 69.6% #4 1,942 2 19 2012 10–14 41.7% #101 1,592 0 0
28 2020 23–3 88.5% #2 2,060 2 22 2013 1–8 11.1% #142 1,490 0 0
29 2021 24–13 64.9% #20 2,002 2 22 2014 27–17 61.4% #29 1,741 0 0
30 2022 39–13 75.0% #10 2,030 2 24 2015 9–16 36.0% #116 1,628 0 0
32 2024 0–2 0.0% #873 1,953 2 24 — — — — — — —
33 2025 0–1 0.0% — 1,926 2 24 — — — — — — —

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 Simona Halep Casey Dellacqua
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
18 2010 0 3 3 0.0% 7 6 13 53.8% — — — — — — — — 2003 0 1 1 0.0% — — — — — — — — — — — —
19 2011 10 12 22 45.5% 5 8 13 38.5% 1 2 3 33.3% — — — — 2004 0 2 2 0.0% — — — — — — — — — — — —
20 2012 14 14 28 50.0% 9 6 15 60.0% 0 3 3 0.0% 0 1 1 0.0% 2005 1 2 3 33.3% — — — — — — — — — — — —
21 2013 28 10 38 73.7% 16 5 21 76.2% 6 1 7 85.7% 0 1 1 0.0% 2006 3 4 7 42.9% — — — — — — — — — — — —
22 2014 23 11 34 67.6% 17 4 21 81.0% 6 2 8 75.0% 0 1 1 0.0% 2007 5 9 14 35.7% 0 1 1 0.0% 1 2 3 33.3% — — — —
23 2015 41 10 51 80.4% 6 4 10 60.0% 2 2 4 50.0% — — — — 2008 11 9 20 55.0% 4 5 9 44.4% 3 3 6 50.0% — — — —
24 2016 25 12 37 67.6% 14 3 17 82.4% 4 1 5 80.0% — — — — 2009 0 3 3 0.0% — — — — — — — — — — — —
25 2017 21 13 34 61.8% 18 3 21 85.7% 6 2 8 75.0% — — — — 2010 2 4 6 33.3% — — — — 0 1 1 0.0% — — — —
26 2018 28 8 36 77.8% 15 3 18 83.3% 2 1 3 66.7% — — — — 2011 0 1 1 0.0% 2 3 5 40.0% 1 1 2 50.0% — — — —
27 2019 21 13 34 61.8% 9 3 12 75.0% 9 1 10 90.0% — — — — 2012 8 11 19 42.1% 0 1 1 0.0% 2 2 4 50.0% — — — —
28 2020 10 2 12 83.3% 13 1 14 92.9% — — — — — — — — 2013 1 7 8 12.5% — — — — 0 1 1 0.0% — — — —
29 2021 20 10 30 66.7% 4 3 7 57.1% — — — — — — — — 2014 19 12 31 61.3% 3 3 6 50.0% 5 2 7 71.4% — — — —
30 2022 23 7 30 76.7% 5 3 8 62.5% 11 3 14 78.6% — — — — 2015 3 9 12 25.0% 1 3 4 25.0% 5 4 9 55.6% — — — —
32 2024 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
33 2025 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 264 128 392 67.3% 138 52 190 72.6% 47 18 65 72.3% 0 3 3 0.0% — 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 575/649 of Simona Halep'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 Simona Halep 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%
18 2010 14/16 2.1 3.6 61.8% 57.8% 51.1% 56.0% 57.5% 55.3% 46.1% — —/— — — — — — — — — —
19 2011 35/38 1.5 4.1 62.3% 60.2% 43.3% 47.7% 49.8% 53.8% 43.5% 2004 1/2 2.0 6.0 53.4% 56.4% 41.2% 66.7% 37.5% 49.3% 43.8%
20 2012 42/47 1.1 3.2 66.2% 57.6% 45.9% 52.4% 51.2% 53.5% 44.3% 2005 1/3 1.0 7.0 54.3% 63.2% 50.0% 33.3% 42.9% 57.1% 36.8%
21 2013 57/67 1.9 3.0 66.6% 63.1% 48.5% 55.7% 59.5% 58.3% 49.4% 2006 1/7 1.0 7.0 47.4% 55.6% 40.0% 60.0% 0.0% 47.4% 26.5%
22 2014 53/64 2.4 3.2 60.5% 66.8% 50.7% 54.1% 56.9% 60.4% 48.8% 2007 17/18 1.8 3.6 60.5% 60.6% 44.5% 42.3% 53.2% 54.1% 44.7%
23 2015 48/65 2.2 3.5 66.3% 66.5% 51.9% 52.0% 53.6% 61.4% 47.1% 2008 31/35 2.9 4.3 58.6% 63.1% 44.2% 54.4% 49.5% 55.4% 45.2%
24 2016 51/59 1.8 2.0 66.5% 64.3% 51.4% 48.5% 54.4% 60.0% 51.1% 2009 3/3 1.0 5.3 52.8% 46.5% 36.2% 28.4% 13.9% 42.2% 38.4%
25 2017 58/63 1.5 2.3 68.2% 64.3% 48.2% 58.8% 50.3% 59.2% 48.0% 2010 7/7 1.0 3.4 53.5% 55.2% 40.5% 37.9% 37.3% 48.1% 42.3%
26 2018 55/57 2.0 2.6 65.6% 64.8% 48.3% 50.1% 54.4% 59.2% 50.2% 2011 6/8 2.0 4.5 64.2% 60.4% 45.9% 63.2% 81.9% 55.0% 44.2%
27 2019 52/56 1.6 2.5 69.2% 63.9% 48.6% 52.0% 53.8% 59.5% 49.3% 2012 22/24 1.0 3.8 62.7% 59.3% 39.5% 49.5% 47.4% 51.8% 43.4%
28 2020 26/26 2.1 2.9 69.2% 66.6% 45.2% 58.2% 56.0% 60.0% 51.0% 2013 9/9 0.9 3.0 61.8% 57.4% 45.2% 49.0% 53.9% 52.6% 33.7%
29 2021 34/37 2.5 2.6 65.5% 66.5% 49.0% 62.5% 51.7% 60.4% 47.9% 2014 41/44 1.7 3.0 59.5% 62.2% 49.4% 54.3% 48.9% 56.9% 43.5%
30 2022 48/52 2.7 3.3 61.9% 70.5% 49.9% 57.7% 56.3% 62.6% 50.0% 2015 24/25 2.0 3.3 62.4% 61.9% 50.1% 52.0% 50.0% 57.4% 39.6%
32 2024 2/2 3.5 5.5 62.1% 64.2% 38.2% 63.6% 65.0% 54.4% 36.8% — —/— — — — — — — — — —
Career — 575/650 2.0 2.9 65.5% 64.5% 48.7% 54.0% 54.3% 59.0% 48.4% — 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 Simona Halep 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
18 2010 1552 129.6 0.00 +1.23 1.032 50.6% -45 +75 — 51.5% +0.21 0–3 (0%) 2–2 (50%) 97.4 -1.14 2003 1489 100.3 — — — — — — — 33.3% -2.33 0–1 1–0 — +0.02
19 2011 1591 119.2 -1.38 -0.51 0.942 48.7% -11 -33 +7 42.9% -0.57 4–6 (40%) 4–5 (44%) 99.6 -1.08 2004 1473 96.4 -3.43 -1.30 0.865 46.6% — — — 0.0% -2.50 — — — -0.14
20 2012 1692 138.7 -0.77 +1.06 0.953 49.0% -14 +1 -148 46.4% -0.43 6–3 (67%) 3–5 (38%) 103.4 -2.97 2005 1475 101.7 -1.70 -1.14 0.860 46.6% +3 — — 42.9% -1.14 0–1 0–1 — -0.05
21 2013 2004 156.1 +2.96 +5.04 1.187 53.8% -37 -132 -335 68.5% +1.57 16–4 (80%) 4–8 (33%) 108.5 -1.35 2006 1501 113.4 -0.08 -1.23 0.504 37.7% -2 — — 37.5% -1.00 2–0 1–1 — -0.22
22 2014 1995 160.2 +4.78 +5.18 1.233 54.4% -39 +30 -224 71.0% +1.79 12–6 (67%) 5–7 (42%) 99.5 -0.24 2007 1502 122.1 -1.56 -0.63 0.973 49.3% +17 — +91 43.2% -0.18 1–7 (13%) — — -0.01
23 2015 1935 159.6 +3.29 +5.15 1.221 54.1% +59 +10 -196 69.9% +1.42 15–6 (71%) 2–5 (29%) 100.7 +1.13 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 2016 1980 160.5 +3.61 +7.88 1.277 55.4% -3 +44 -186 68.0% +1.42 9–5 (64%) 3–7 (30%) 97.1 -0.14 2009 1598 101.9 -2.95 -1.13 0.664 40.6% +4 — — 0.0% -3.67 — 0–1 — -0.17
25 2017 1988 158.5 +3.09 +5.20 1.176 53.5% -32 +153 -98 67.6% +1.18 13–8 (62%) 9–5 (64%) 102.4 -2.46 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 2018 2013 158.0 +2.58 +7.16 1.230 54.5% -33 +166 -139 71.9% +1.61 15–4 (79%) 4–4 (50%) 103.5 +0.15 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 2019 1942 158.9 +3.03 +6.58 1.216 54.2% -38 +198 +94 66.7% +1.28 13–8 (62%) 8–4 (67%) 101.3 -0.27 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 2020 2060 156.1 +3.23 +6.77 1.275 55.4% -69 +148 — 78.6% +1.82 6–0 (100%) 5–1 (83%) 107.1 -0.67 2013 1490 95.2 -2.07 -4.32 0.712 44.0% +4 — — 15.8% -2.16 0–1 0–2 — +1.12
29 2021 2002 155.1 +3.53 +4.37 1.207 54.0% +7 +165 — 67.6% +1.45 6–2 (75%) 4–0 (100%) 105.0 -0.60 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 2022 2031 152.9 +5.00 +6.61 1.339 56.0% +4 +66 +191 75.5% +1.85 7–5 (58%) 1–3 (25%) 95.1 +0.32 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 — — — — — — — — — — — — — — — — 2016 1613 — — — — — — — — — — — — — —
32 2024 1953 108.2 0.00 +0.37 0.808 46.3% — — — 20.0% -1.20 0–1 — — -0.18 — — — — — — — — — — — — — — — —
33 2025 1926 95.9 — — — — — — — 0.0% -5.00 — — — 0.00 — — — — — — — — — — — — — — — —
Career — 2120 160.6 +2.79 +5.10 1.182 53.6% -12 +61 -59 66.1% +1.21 122–61 (67%) 54–56 (49%) 102.1 -1.49 — 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.