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

Danielle Collins vs Katharina Gerlach H2H: 1-0

Danielle Collins holds a 1–0 lead over Katharina Gerlach in their WTA head-to-head. Across 1 main-draw meeting, Danielle Collins leads 1–0 on clay. Most recently, Danielle Collins won the 2021 Palermo first round 7-5 6-3.

United States Age 32 Right-Handed 178 cm / 5'10"
H2H
1 0
1 main-draw meetings
Germany Age 28 Right-Handed 193 cm / 6'4"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Danielle Collins #44 7-5 6-3 Katharina Gerlach #225 Match data Jul 22, 2021* R32 Palermo WTA 250 Clay

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
Katharina Gerlach #1,143 #217 316 1,500 0 3 0.0% 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 Danielle Collins Katharina Gerlach
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 2016 0–1 0.0% #603 1,487 0 0
19 2017 0–1 0.0% #389 1,467 0 0
20 2014 0–1 0.0% #915 1,498 0 0
22 2016 0–1 0.0% #259 1,492 0 0
23 2017 0–1 0.0% #177 1,484 0 0 2021 0–1 0.0% #228 1,458 0 0
24 2018 18–17 51.4% #36 1,659 0 0
25 2019 18–18 50.0% #29 1,717 0 0
26 2020 10–6 62.5% #45 1,812 0 0
27 2021 37–15 71.2% #29 1,891 0 2
28 2022 20–11 64.5% #14 1,898 0 2
29 2023 18–18 50.0% #52 1,854 0 2
30 2024 38–16 70.4% #11 1,950 0 4
31 2025 15–14 51.7% #64 1,859 0 4

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 3/3 of Katharina Gerlach'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 Katharina Gerlach
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 —/— 2016 1/1 0.0 3.0 74.6% 47.7% 26.7% 50.0% 16.7% 42.4% 34.7%
19 —/— 2017 1/1 0.0 4.0 60.7% 45.9% 37.5% 50.0% 100.0% 42.6% 33.3%
20 2014 1/1 2.0 0.0 59.0% 63.3% 52.9% 64.3% 20.0% 59.0% 32.3% —/—
22 2016 1/1 0.0 3.0 55.3% 26.9% 42.9% 30.0% 50.0% 34.0% 36.6% —/—
23 2017 1/1 1.0 1.0 56.3% 37.0% 33.3% 25.0% 33.3% 35.4% 40.0% 2021 1/1 5.0 5.0 62.9% 54.5% 46.2% 50.0% 40.0% 51.4% 34.0%
24 2018 30/35 2.4 3.2 58.0% 60.3% 46.2% 47.0% 47.7% 54.1% 41.8% —/—
25 2019 35/36 3.2 3.1 59.4% 62.0% 47.0% 51.0% 52.5% 56.2% 41.8% —/—
26 2020 16/16 3.5 3.5 58.9% 71.1% 48.3% 61.6% 48.3% 61.3% 43.8% —/—
27 2021 52/52 3.6 3.9 54.6% 70.3% 48.5% 54.9% 54.3% 60.2% 46.1% —/—
28 2022 31/31 3.8 6.1 54.1% 69.6% 48.1% 57.9% 52.5% 59.6% 45.1% —/—
29 2023 36/36 3.6 4.6 59.0% 67.2% 47.2% 55.1% 48.1% 58.8% 42.2% —/—
30 2024 50/54 3.8 4.8 56.5% 71.1% 47.4% 58.9% 52.9% 60.8% 45.4% —/—
31 2025 26/30 4.2 5.2 57.9% 66.1% 49.5% 55.1% 51.5% 58.8% 41.9% —/—
Career 279/293 3.5 4.3 57.0% 67.2% 47.7% 54.9% 51.3% 58.7% 43.7% 3/3 1.7 4.0 66.0% 49.4% 36.8% 50.0% 52.2% 45.5% 34.0%

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 Katharina Gerlach
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 2016 1487 96.4 -1.77 -1.88 0.602 38.9% 0.0% -4.50 +0.01
19 2017 1467 98.9 +0.73 +1.29 0.581 38.8% 0.0% -4.50 -0.14
20 2014 1498 107.7 +4.54 +2.42 0.787 44.9% 33.3% -2.67 0–1 1–0 -0.24 2018 1446 97.4
21 2019 1438 104.1
22 2016 1492 98.2 -2.62 -4.63 0.555 35.2% 0.0% -4.50 +0.13 2020 1436 101.7
23 2017 1484 100.8 -2.48 +1.44 0.619 37.6% 0.0% -5.00 -0.14 2021 1459 95.0 +1.82 +2.14 0.699 43.9% 0.0% -2.50 -0.19
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
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
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
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
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
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
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
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
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 1500 96.9 +0.26 +0.52 0.624 40.5% 0.0% -3.83 -10.67

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.