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

Danielle Collins vs Polona Hercog H2H: 2-0

Danielle Collins holds a 2–0 lead over Polona Hercog in their WTA head-to-head. Across 2 main-draw meetings, Danielle Collins leads 1–0 on grass and 1–0 on hard courts. Most recently, Danielle Collins won the 2021 Wimbledon first round 4-6 6-3 6-2.

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Danielle Collins
United States Age 32 Right-Handed 178 cm / 5'10"
H2H
2 – 0
2 main-draw meetings
Polona Hercog
Slovenia Age 35 Right-Handed 185 cm / 6'1"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Danielle Collins #48 4-6 6-3 6-2 Polona Hercog #77 Match data Jun 30, 2021* R128 Wimbledon Grand Slam Grass
Danielle Collins #35 6-3 4-6 6-4 Polona Hercog #57 Match data Aug 28, 2019* R128 US 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
Danielle Collins #343 #7 3,702 2,073 174 118 59.6% 0 1 0 2 1 4
Polona Hercog #236 #35 1,605 1,767 170 214 44.3% 0 0 0 0 3 3

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 Danielle Collins Polona Hercog
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
19 — — — — — — — 2010 26–24 52.0% #47 1,633 0 0
20 2014 0–1 0.0% #915 1,498 0 0 2011 27–25 51.9% #36 1,698 0 1
21 — — — — — — — 2012 14–21 40.0% #76 1,665 0 2
22 2016 0–1 0.0% #259 1,492 0 0 2013 10–10 50.0% #65 1,673 0 2
23 2017 0–1 0.0% #177 1,484 0 0 2014 12–16 42.9% #97 1,638 0 2
24 2018 18–17 51.4% #36 1,659 0 0 2015 19–23 45.2% #73 1,606 0 2
25 2019 18–18 50.0% #29 1,717 0 0 2016 10–18 35.7% #143 1,558 0 2
26 2020 10–6 62.5% #45 1,812 0 0 2017 2–2 50.0% #101 1,571 0 2
27 2021 37–15 71.2% #29 1,891 0 2 2018 15–19 44.1% #85 1,623 0 2
28 2022 20–11 64.5% #14 1,898 0 2 2019 19–21 47.5% #49 1,715 0 3
29 2023 18–18 50.0% #52 1,854 0 2 2020 6–8 42.9% #49 1,684 0 3
30 2024 38–16 70.4% #11 1,950 0 4 2021 4–15 21.1% #134 1,589 0 3
31 2025 15–14 51.7% #64 1,859 0 4 — — — — — — —
35 — — — — — — — 2026 0–1 0.0% #236 1,586 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 Danielle Collins Polona Hercog
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% — — — — — — — —
19 — — — — — — — — — — — — — — — — — 2010 13 13 26 50.0% 13 10 23 56.5% 0 1 1 0.0% — — — —
20 2014 0 1 1 0.0% — — — — — — — — — — — — 2011 10 14 24 41.7% 16 9 25 64.0% 1 2 3 33.3% — — — —
21 — — — — — — — — — — — — — — — — — 2012 4 12 16 25.0% 10 6 16 62.5% 0 2 2 0.0% 0 1 1 0.0%
22 2016 0 1 1 0.0% — — — — — — — — — — — — 2013 7 8 15 46.7% 3 2 5 60.0% — — — — — — — —
23 2017 0 1 1 0.0% — — — — — — — — — — — — 2014 3 8 11 27.3% 8 6 14 57.1% 1 2 3 33.3% — — — —
24 2018 14 10 24 58.3% 2 4 6 33.3% 2 3 5 40.0% — — — — 2015 10 15 25 40.0% 8 6 14 57.1% 1 2 3 33.3% — — — —
25 2019 10 11 21 47.6% 6 5 11 54.5% 2 2 4 50.0% — — — — 2016 1 8 9 11.1% 9 7 16 56.3% 0 3 3 0.0% — — — —
26 2020 6 5 11 54.5% 4 1 5 80.0% — — — — — — — — 2017 — — — — 0 1 1 0.0% 2 1 3 66.7% — — — —
27 2021 25 11 36 69.4% 11 3 14 78.6% 1 1 2 50.0% — — — — 2018 4 9 13 30.8% 10 7 17 58.8% 1 3 4 25.0% — — — —
28 2022 17 6 23 73.9% 3 4 7 42.9% 0 1 1 0.0% — — — — 2019 6 14 20 30.0% 8 4 12 66.7% 5 3 8 62.5% — — — —
29 2023 17 15 32 53.1% 0 2 2 0.0% 1 1 2 50.0% — — — — 2020 1 2 3 33.3% 5 6 11 45.5% — — — — — — — —
30 2024 16 10 26 61.5% 19 5 24 79.2% 3 1 4 75.0% — — — — 2021 2 8 10 20.0% 2 5 7 28.6% 0 2 2 0.0% — — — —
31 2025 6 8 14 42.9% 7 4 11 63.6% 2 2 4 50.0% — — — — — — — — — — — — — — — — — — — — —
35 — — — — — — — — — — — — — — — — — 2026 — — — — 0 1 1 0.0% — — — — — — — —
Career — 111 79 190 58.4% 52 28 80 65.0% 11 11 22 50.0% — — — — — 62 117 179 34.6% 97 75 172 56.4% 11 21 32 34.4% 0 1 1 0.0%

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 279/293 of Danielle Collins's and 352/384 of Polona Hercog'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 Danielle Collins Polona Hercog
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%
20 2014 1/1 2.0 0.0 59.0% 63.3% 52.9% 64.3% 20.0% 59.0% 32.3% 2011 46/52 2.6 2.7 65.1% 62.0% 48.8% 53.0% 47.3% 57.5% 41.9%
21 — —/— — — — — — — — — — 2012 33/35 2.2 2.4 60.0% 62.3% 44.3% 46.0% 48.7% 54.8% 40.5%
22 2016 1/1 0.0 3.0 55.3% 26.9% 42.9% 30.0% 50.0% 34.0% 36.6% 2013 14/20 2.7 2.5 66.6% 64.4% 51.1% 53.5% 45.6% 60.1% 42.5%
23 2017 1/1 1.0 1.0 56.3% 37.0% 33.3% 25.0% 33.3% 35.4% 40.0% 2014 24/28 3.0 2.8 57.1% 63.5% 46.2% 54.4% 38.9% 55.9% 39.8%
24 2018 30/35 2.4 3.2 58.0% 60.3% 46.2% 47.0% 47.7% 54.1% 41.8% 2015 37/42 2.8 3.1 63.8% 65.6% 52.4% 50.3% 53.0% 60.8% 40.6%
25 2019 35/36 3.2 3.1 59.4% 62.0% 47.0% 51.0% 52.5% 56.2% 41.8% 2016 26/28 2.0 3.4 58.7% 59.2% 43.1% 50.2% 52.7% 52.7% 43.8%
26 2020 16/16 3.5 3.5 58.9% 71.1% 48.3% 61.6% 48.3% 61.3% 43.8% 2017 4/4 3.8 3.8 60.4% 66.7% 48.5% 45.5% 48.2% 59.6% 45.1%
27 2021 52/52 3.6 3.9 54.6% 70.3% 48.5% 54.9% 54.3% 60.2% 46.1% 2018 34/34 3.2 3.9 55.6% 63.3% 48.9% 62.2% 37.8% 56.8% 41.5%
28 2022 31/31 3.8 6.1 54.1% 69.6% 48.1% 57.9% 52.5% 59.6% 45.1% 2019 39/40 3.5 4.3 55.9% 67.1% 48.4% 54.9% 46.8% 58.6% 40.7%
29 2023 36/36 3.6 4.6 59.0% 67.2% 47.2% 55.1% 48.1% 58.8% 42.2% 2020 14/14 2.1 3.4 56.8% 63.2% 46.7% 52.4% 53.1% 55.6% 44.0%
30 2024 50/54 3.8 4.8 56.5% 71.1% 47.4% 58.9% 52.9% 60.8% 45.4% 2021 19/19 3.4 3.6 55.4% 63.7% 43.6% 44.1% 34.2% 55.0% 39.2%
31 2025 26/30 4.2 5.2 57.9% 66.1% 49.5% 55.1% 51.5% 58.8% 41.9% — —/— — — — — — — — — —
35 — —/— — — — — — — — — — 2026 1/1 0.0 1.0 37.5% 100.0% 40.0% — — 62.5% 14.3%
Career — 279/293 3.5 4.3 57.0% 67.2% 47.7% 54.9% 51.3% 58.7% 43.7% — 352/384 2.7 3.2 60.1% 63.7% 47.5% 52.3% 46.3% 57.1% 41.4%

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 Danielle Collins Polona Hercog
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
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
20 2014 1498 107.7 +4.54 +2.42 0.787 44.9% — — — 33.3% -2.67 0–1 1–0 — -0.24 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
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
22 2016 1492 98.2 -2.62 -4.63 0.555 35.2% — — — 0.0% -4.50 — — — +0.13 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
23 2017 1484 100.8 -2.48 +1.44 0.619 37.6% — — — 0.0% -5.00 — — — -0.14 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
24 2018 1659 126.6 -1.48 -1.03 0.910 48.1% +14 -93 -38 46.8% -0.30 9–4 (69%) 2–2 (50%) 106.1 +0.97 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
25 2019 1717 138.4 -0.18 -0.13 0.953 49.3% -18 -87 -80 51.3% -0.12 5–7 (42%) 6–4 (60%) 101.1 -1.21 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
26 2020 1813 147.3 +3.14 +1.35 1.131 52.7% -60 -109 — 60.0% +0.85 4–4 (50%) 0–1 — -1.27 2017 1571 105.5 +0.03 -1.29 1.118 51.8% — — -87 50.0% +0.60 1–1 0–2 — +0.25
27 2021 1891 152.7 +3.13 +2.70 1.158 53.3% +4 -43 — 71.3% +1.40 9–5 (64%) 7–3 (70%) 107.5 +0.72 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 2022 1898 149.2 +2.47 +2.92 1.117 52.3% +79 -119 — 66.2% +0.81 3–5 (38%) 6–3 (67%) 99.8 +0.10 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 2023 1855 153.7 +2.52 +1.03 1.025 50.4% +53 — — 53.6% +0.20 5–9 (36%) 5–7 (42%) 91.8 -2.00 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 2024 1951 160.8 +3.69 +3.10 1.157 53.2% -11 +71 -239 68.1% +1.30 9–7 (56%) 7–1 (88%) 104.9 -1.22 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 2025 1860 143.1 +1.81 -0.05 1.019 50.4% -7 +142 -159 50.7% +0.09 5–4 (56%) 4–3 (57%) 100.4 -0.97 2022 1573 — — — — — — — — — — — — — —
32 — — — — — — — — — — — — — — — — 2023 1581 — — — — — — — — — — — — — —
33 — — — — — — — — — — — — — — — — 2024 1577 99.9 — — — — — — — — — — — — —
34 — — — — — — — — — — — — — — — — 2025 1620 — — — — — — — — — — — — — —
35 — — — — — — — — — — — — — — — — 2026 1586 99.1 -0.36 -0.84 0.381 40.0% — — — — — — — — -0.19
Career — 2074 154.6 +2.01 +1.46 1.057 51.3% +14 -3 -124 59.0% +0.55 49–46 (52%) 38–24 (61%) 107.7 -1.76 — 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

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.