H2H data updated: 2026-09-14 00:00 UTC

Polona Hercog vs Anna-Lena Groenefeld H2H: 1-0

Polona Hercog holds a 1–0 lead over Anna-Lena Groenefeld in their WTA head-to-head. Across 1 main-draw meeting, Polona Hercog leads 1–0 on hard courts. Most recently, Polona Hercog won the 2010 Copenhagen round of 32 6-3 7-5.

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Polona Hercog
Slovenia Age 35 Right-Handed 185 cm / 6'1"
H2H
1 – 0
1 main-draw meetings
Anna-Lena Groenefeld
GER Age 41 Right-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Polona Hercog #48 6-3 7-5 Anna-Lena Groenefeld #129 Match data Aug 5, 2010* R32 Copenhagen International → modern equivalent WTA 250 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
Polona Hercog #236 #35 1,605 1,767 170 214 44.3% 0 0 0 0 3 3
Anna-Lena Groenefeld #1,012 #14 1,365 1,856 109 130 45.6% 0 0 0 0 1 1

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 Polona Hercog Anna-Lena Groenefeld
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2007 0–1 0.0% #375 1,488 0 0 — — — — — — —
17 2008 0–2 0.0% #245 1,470 0 0 — — — — — — —
18 2009 6–8 42.9% #68 1,501 0 0 2003 3–6 33.3% #118 1,515 0 0
19 2010 26–24 52.0% #47 1,633 0 0 2004 7–15 31.8% #68 1,478 0 0
20 2011 27–25 51.9% #36 1,698 0 1 2005 36–26 58.1% #21 1,790 0 0
21 2012 14–21 40.0% #76 1,665 0 2 2006 30–26 53.6% #19 1,656 0 1
22 2013 10–10 50.0% #65 1,673 0 2 2007 4–14 22.2% #204 1,527 0 1
23 2014 12–16 42.9% #97 1,638 0 2 2008 7–7 50.0% #76 1,597 0 1
24 2015 19–23 45.2% #73 1,606 0 2 2009 18–23 43.9% #65 1,655 0 1
25 2016 10–18 35.7% #143 1,558 0 2 2010 4–11 26.7% #166 1,563 0 1
26 2017 2–2 50.0% #101 1,571 0 2 2011 0–2 0.0% #266 1,542 0 1
27 2018 15–19 44.1% #85 1,623 0 2 — — — — — — —
28 2019 19–21 47.5% #49 1,715 0 3 — — — — — — —
29 2020 6–8 42.9% #49 1,684 0 3 — — — — — — —
30 2021 4–15 21.1% #134 1,589 0 3 — — — — — — —
35 2026 0–1 0.0% #236 1,563 0 3 — — — — — — —

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 Polona Hercog Anna-Lena Groenefeld
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 %
16 2007 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
17 2008 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
18 2009 1 4 5 20.0% 5 4 9 55.6% — — — — — — — — 2003 1 3 4 25.0% 1 2 3 33.3% — — — — 1 1 2 50.0%
19 2010 13 13 26 50.0% 13 10 23 56.5% 0 1 1 0.0% — — — — 2004 3 9 12 25.0% 4 5 9 44.4% 0 1 1 0.0% — — — —
20 2011 10 14 24 41.7% 16 9 25 64.0% 1 2 3 33.3% — — — — 2005 27 16 43 62.8% 7 6 13 53.8% 1 3 4 25.0% 1 1 2 50.0%
21 2012 4 12 16 25.0% 10 6 16 62.5% 0 2 2 0.0% 0 1 1 0.0% 2006 10 16 26 38.5% 18 6 24 75.0% 2 2 4 50.0% 0 2 2 0.0%
22 2013 7 8 15 46.7% 3 2 5 60.0% — — — — — — — — 2007 2 6 8 25.0% 2 6 8 25.0% 0 2 2 0.0% — — — —
23 2014 3 8 11 27.3% 8 6 14 57.1% 1 2 3 33.3% — — — — 2008 4 5 9 44.4% 3 2 5 60.0% — — — — — — — —
24 2015 10 15 25 40.0% 8 6 14 57.1% 1 2 3 33.3% — — — — 2009 8 13 21 38.1% 10 8 18 55.6% 0 2 2 0.0% — — — —
25 2016 1 8 9 11.1% 9 7 16 56.3% 0 3 3 0.0% — — — — 2010 3 7 10 30.0% 1 3 4 25.0% 0 1 1 0.0% — — — —
26 2017 — — — — 0 1 1 0.0% 2 1 3 66.7% — — — — 2011 0 1 1 0.0% 0 1 1 0.0% — — — — — — — —
27 2018 4 9 13 30.8% 10 7 17 58.8% 1 3 4 25.0% — — — — — — — — — — — — — — — — — — — — —
28 2019 6 14 20 30.0% 8 4 12 66.7% 5 3 8 62.5% — — — — — — — — — — — — — — — — — — — — —
29 2020 1 2 3 33.3% 5 6 11 45.5% — — — — — — — — — — — — — — — — — — — — — — — — —
30 2021 2 8 10 20.0% 2 5 7 28.6% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
35 2026 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 62 117 179 34.6% 97 75 172 56.4% 11 21 32 34.4% 0 1 1 0.0% — 58 76 134 43.3% 46 39 85 54.1% 3 11 14 21.4% 2 4 6 33.3%

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 352/384 of Polona Hercog's and 140/230 of Anna-Lena Groenefeld'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 Polona Hercog Anna-Lena Groenefeld
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%
16 2007 1/1 6.0 5.0 69.5% 58.5% 36.1% 41.7% 80.0% 51.7% 39.4% — —/— — — — — — — — — —
17 2008 1/2 0.0 5.0 84.0% 47.1% 23.1% 41.7% 62.5% 43.2% 45.7% — —/— — — — — — — — — —
18 2009 13/14 2.1 2.8 61.8% 62.6% 45.1% 51.3% 42.4% 55.6% 39.8% — —/— — — — — — — — — —
19 2010 46/50 2.2 2.7 62.0% 64.2% 48.6% 54.1% 48.1% 58.3% 42.8% 2004 3/22 2.3 3.3 58.5% 65.7% 58.7% 42.9% 40.3% 62.7% 48.0%
20 2011 46/52 2.6 2.7 65.1% 62.0% 48.8% 53.0% 47.3% 57.5% 41.9% 2005 13/62 3.9 4.3 56.2% 70.4% 51.6% 58.5% 40.0% 62.2% 45.3%
21 2012 33/35 2.2 2.4 60.0% 62.3% 44.3% 46.0% 48.7% 54.8% 40.5% 2006 40/56 3.2 5.1 58.9% 65.4% 45.4% 57.8% 44.8% 57.3% 42.9%
22 2013 14/20 2.7 2.5 66.6% 64.4% 51.1% 53.5% 45.6% 60.1% 42.5% 2007 16/18 4.6 8.0 52.4% 67.4% 39.9% 52.8% 43.4% 54.0% 38.2%
23 2014 24/28 3.0 2.8 57.1% 63.5% 46.2% 54.4% 38.9% 55.9% 39.8% 2008 13/14 5.1 5.3 47.4% 75.3% 47.4% 51.1% 46.9% 61.2% 41.4%
24 2015 37/42 2.8 3.1 63.8% 65.6% 52.4% 50.3% 53.0% 60.8% 40.6% 2009 39/41 3.6 5.4 58.2% 64.9% 46.1% 54.3% 54.9% 56.5% 41.2%
25 2016 26/28 2.0 3.4 58.7% 59.2% 43.1% 50.2% 52.7% 52.7% 43.8% 2010 14/15 2.8 7.0 55.0% 63.7% 38.6% 47.6% 48.2% 52.7% 40.9%
26 2017 4/4 3.8 3.8 60.4% 66.7% 48.5% 45.5% 48.2% 59.6% 45.1% 2011 2/2 1.5 4.0 52.6% 62.6% 38.3% 55.8% 25.0% 51.3% 27.9%
27 2018 34/34 3.2 3.9 55.6% 63.3% 48.9% 62.2% 37.8% 56.8% 41.5% — —/— — — — — — — — — —
28 2019 39/40 3.5 4.3 55.9% 67.1% 48.4% 54.9% 46.8% 58.6% 40.7% — —/— — — — — — — — — —
29 2020 14/14 2.1 3.4 56.8% 63.2% 46.7% 52.4% 53.1% 55.6% 44.0% — —/— — — — — — — — — —
30 2021 19/19 3.4 3.6 55.4% 63.7% 43.6% 44.1% 34.2% 55.0% 39.2% — —/— — — — — — — — — —
35 2026 1/1 0.0 1.0 37.5% 100.0% 40.0% — — 62.5% 14.3% — —/— — — — — — — — — —
Career — 352/384 2.7 3.2 60.1% 63.7% 47.5% 52.3% 46.3% 57.1% 41.4% — 140/239 3.6 5.6 56.1% 66.7% 45.2% 54.3% 47.1% 57.1% 41.7%

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 Polona Hercog Anna-Lena Groenefeld
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
16 2007 1489 100.3 -2.72 -1.27 0.816 46.1% — — — 33.3% -1.33 0–1 1–0 — -0.06 — — — — — — — — — — — — — — — —
17 2008 1470 102.5 -2.06 -1.94 0.805 44.4% — — — 20.0% -1.20 0–1 — — -0.18 — — — — — — — — — — — — — — — —
18 2009 1501 106.8 +0.29 -3.10 0.898 48.1% -40 +89 — 40.6% -0.53 3–1 (75%) 1–2 (33%) 102.8 +0.08 2003 1516 115.9 — — — — +21 +1 — 38.1% -0.48 1–2 (33%) 0–3 (0%) — -0.25
19 2010 1634 130.1 +2.35 -0.89 1.024 50.4% -68 +49 — 50.0% +0.14 4–8 (33%) 1–2 (33%) 96.6 -0.18 2004 1478 112.5 +1.14 +0.30 1.285 54.6% +4 +58 — 34.1% -0.61 1–1 0–2 — +0.25
20 2011 1699 128.3 +1.64 -2.16 0.985 49.5% -94 +106 -139 51.3% +0.03 9–6 (60%) 5–8 (38%) 100.2 -0.20 2005 1790 139.1 +3.94 +1.05 1.197 53.3% -4 -165 -292 57.8% +0.52 8–4 (67%) 4–3 (57%) 105.9 +1.73
21 2012 1666 121.2 -0.89 -2.18 0.897 47.5% -100 +153 — 40.3% -0.94 4–3 (57%) 3–4 (43%) 101.7 -1.34 2006 1656 132.8 +1.54 -0.91 1.005 50.2% -69 +191 -102 52.7% +0.15 10–9 (53%) 6–7 (46%) 98.7 +2.20
22 2013 1674 131.4 +2.50 +0.02 1.065 51.3% -74 +126 — 52.2% +0.52 2–6 (25%) 1–6 (14%) 91.8 -0.86 2007 1528 109.8 -1.58 -3.51 0.830 46.3% +7 +219 — 25.6% -1.23 1–2 (33%) 0–4 (0%) 95.2 +0.69
23 2014 1639 121.6 -0.49 -2.45 0.903 48.0% -47 +97 -116 43.5% -0.42 5–3 (63%) 3–5 (38%) 100.2 -1.81 2008 1597 128.6 +2.89 -1.21 1.066 50.8% -17 +136 — 51.7% +0.03 0–1 — — -1.01
24 2015 1606 121.6 +1.66 -0.91 1.034 50.7% -33 +93 -84 49.5% -0.03 5–14 (26%) 4–5 (44%) 91.7 +0.24 2009 1655 128.8 +0.58 -2.14 0.947 48.9% -56 +88 — 46.3% -0.34 5–12 (29%) 4–6 (40%) 92.8 -1.96
25 2016 1559 116.5 -2.35 +0.40 0.926 48.3% -25 +109 -113 42.4% -0.37 2–5 (29%) 4–1 (80%) 98.5 -1.05 2010 1563 104.5 -2.32 -1.60 0.865 46.9% 0 +100 — 37.8% -1.51 1–6 (14%) 3–0 (100%) 97.3 -0.12
26 2017 1571 105.5 +0.03 -1.29 1.118 51.8% — — -87 50.0% +0.60 1–1 0–2 — +0.25 2011 1542 96.7 -0.53 -1.59 0.574 41.1% — — — 0.0% -3.75 — — — -0.26
27 2018 1624 119.4 -0.20 -1.09 0.959 49.0% -61 +57 -123 45.8% -0.32 3–5 (38%) 3–4 (43%) 97.3 -0.53 — — — — — — — — — — — — — — — —
28 2019 1715 133.2 +1.87 -1.25 0.983 49.7% -111 +63 -107 47.9% -0.16 8–10 (44%) 6–10 (38%) 98.0 -0.38 — — — — — — — — — — — — — — — —
29 2020 1685 125.8 +0.14 +0.43 0.991 50.0% -59 +53 — 48.5% -0.03 1–4 (20%) 0–3 (0%) — +0.33 — — — — — — — — — — — — — — — —
30 2021 1590 121.5 -0.67 -1.96 0.871 46.9% -38 +130 — 30.4% -1.39 2–6 (25%) 0–4 (0%) 92.6 -1.36 — — — — — — — — — — — — — — — —
31 2022 1573 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
32 2023 1581 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
33 2024 1577 99.9 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
34 2025 1620 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
35 2026 1564 99.1 -0.36 -0.84 0.381 40.0% — — — — — — — — -0.19 — — — — — — — — — — — — — — — —
Career — 1767 129.3 +0.66 -1.31 0.965 49.2% -68 +90 -110 46.2% -0.23 49–74 (40%) 32–56 (36%) 87.4 -1.91 — 1857 131.7 +0.84 -1.45 0.971 49.4% -23 +88 -197 47.2% -0.19 27–37 (42%) 17–25 (40%) 92.3 +0.53

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.