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

Katerina Siniakova vs Danielle Collins H2H: 1-2

Danielle Collins holds a 2–1 lead over Katerina Siniakova in their WTA head-to-head. Across 3 main-draw meetings, they are tied 1–1 on hard courts, while Danielle Collins leads 1–0 on clay. Most recently, Danielle Collins won the 2024 Strasbourg Open second round 6-1 6-2.

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Katerina Siniakova
Czech Republic Age 30 Right-Handed 174 cm / 5'9"
H2H
1 – 2
3 main-draw meetings
Danielle Collins
United States Age 32 Right-Handed 178 cm / 5'10"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Danielle Collins #12 6-1 6-2 Katerina Siniakova #34 Match data May 23, 2024* R16 Strasbourg Open WTA 500 Clay
Danielle Collins #63 6-4 6-3 Katerina Siniakova #42 Match data Feb 15, 2024* R16 Qatar Open WTA 1000 Hard
Katerina Siniakova #41 4-6 7-6(3) 6-2 Danielle Collins #36 Match data Aug 7, 2019* R64 Canadian Open Premier 5 → 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
Katerina Siniakova #42 #27 1,718 1,893 228 246 48.1% 0 0 0 0 5 5
Danielle Collins #343 #7 3,702 2,073 174 118 59.6% 0 1 0 2 1 4

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 Katerina Siniakova Danielle Collins
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 2013 0–1 0.0% #171 1,488 0 0 — — — — — — —
18 2014 4–6 40.0% #84 1,521 0 0 — — — — — — —
19 2015 13–20 39.4% #102 1,522 0 0 — — — — — — —
20 2016 18–18 50.0% #52 1,765 0 0 2014 0–1 0.0% #915 1,498 0 0
21 2017 23–23 50.0% #49 1,695 0 2 — — — — — — —
22 2018 26–22 54.2% #31 1,779 0 2 2016 0–1 0.0% #259 1,492 0 0
23 2019 20–28 41.7% #58 1,674 0 2 2017 0–1 0.0% #177 1,484 0 0
24 2020 6–13 31.6% #59 1,701 0 2 2018 18–17 51.4% #36 1,659 0 0
25 2021 22–17 56.4% #49 1,801 0 2 2019 18–18 50.0% #29 1,717 0 0
26 2022 17–19 47.2% #49 1,762 0 3 2020 10–6 62.5% #45 1,812 0 0
27 2023 22–17 56.4% #45 1,807 0 5 2021 37–15 71.2% #29 1,891 0 2
28 2024 26–26 50.0% #45 1,802 0 5 2022 20–11 64.5% #14 1,898 0 2
29 2025 17–20 45.9% #48 1,883 0 5 2023 18–18 50.0% #52 1,854 0 2
30 2026 14–16 46.7% #42 1,820 0 5 2024 38–16 70.4% #11 1,950 0 4
31 — — — — — — — 2025 15–14 51.7% #64 1,859 0 4

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 Katerina Siniakova Danielle Collins
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 %
17 2013 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
18 2014 4 5 9 44.4% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
19 2015 6 12 18 33.3% 4 5 9 44.4% 3 3 6 50.0% — — — — — — — — — — — — —
20 2016 10 10 20 50.0% 6 5 11 54.5% 2 3 5 40.0% 2014 0 1 1 0.0% — — — — — — — —
21 2017 12 14 26 46.2% 10 6 16 62.5% 1 3 4 25.0% — — — — — — — — — — — — —
22 2018 17 14 31 54.8% 7 6 13 53.8% 2 2 4 50.0% 2016 0 1 1 0.0% — — — — — — — —
23 2019 10 18 28 35.7% 9 7 16 56.3% 1 3 4 25.0% 2017 0 1 1 0.0% — — — — — — — —
24 2020 1 9 10 10.0% 5 4 9 55.6% — — — — 2018 14 10 24 58.3% 2 4 6 33.3% 2 3 5 40.0%
25 2021 9 12 21 42.9% 7 3 10 70.0% 6 2 8 75.0% 2019 10 11 21 47.6% 6 5 11 54.5% 2 2 4 50.0%
26 2022 11 11 22 50.0% 6 5 11 54.5% 0 3 3 0.0% 2020 6 5 11 54.5% 4 1 5 80.0% — — — —
27 2023 16 14 30 53.3% 0 1 1 0.0% 6 2 8 75.0% 2021 25 11 36 69.4% 11 3 14 78.6% 1 1 2 50.0%
28 2024 17 17 34 50.0% 4 6 10 40.0% 5 3 8 62.5% 2022 17 6 23 73.9% 3 4 7 42.9% 0 1 1 0.0%
29 2025 14 11 25 56.0% 0 5 5 0.0% 3 4 7 42.9% 2023 17 15 32 53.1% 0 2 2 0.0% 1 1 2 50.0%
30 2026 8 9 17 47.1% 4 4 8 50.0% 2 3 5 40.0% 2024 16 10 26 61.5% 19 5 24 79.2% 3 1 4 75.0%
31 — — — — — — — — — — — — — 2025 6 8 14 42.9% 7 4 11 63.6% 2 2 4 50.0%
Career — 135 157 292 46.2% 62 58 120 51.7% 31 31 62 50.0% — 111 79 190 58.4% 52 28 80 65.0% 11 11 22 50.0%

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 446/476 of Katerina Siniakova's and 279/293 of Danielle Collins'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 Katerina Siniakova Danielle Collins
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%
17 2013 1/1 5.0 11.0 61.3% 56.1% 38.9% 50.0% 71.4% 49.5% 44.6% — —/— — — — — — — — — —
18 2014 10/10 1.7 4.4 61.7% 63.9% 42.1% 54.2% 38.1% 55.3% 45.6% — —/— — — — — — — — — —
19 2015 26/33 1.7 5.5 66.1% 62.0% 50.4% 53.7% 47.1% 58.1% 41.4% — —/— — — — — — — — — —
20 2016 34/37 2.7 4.0 58.7% 63.5% 43.7% 51.7% 50.0% 55.3% 43.5% 2014 1/1 2.0 0.0 59.0% 63.3% 52.9% 64.3% 20.0% 59.0% 32.3%
21 2017 45/46 2.2 3.8 62.4% 61.8% 42.4% 54.6% 49.1% 54.7% 43.6% — —/— — — — — — — — — —
22 2018 48/48 4.2 4.0 59.3% 64.0% 45.4% 48.7% 46.8% 56.4% 43.2% 2016 1/1 0.0 3.0 55.3% 26.9% 42.9% 30.0% 50.0% 34.0% 36.6%
23 2019 47/48 2.8 2.9 60.4% 62.6% 46.1% 50.1% 46.4% 56.0% 45.3% 2017 1/1 1.0 1.0 56.3% 37.0% 33.3% 25.0% 33.3% 35.4% 40.0%
24 2020 19/19 1.7 3.1 65.8% 55.8% 42.7% 50.3% 46.1% 51.4% 40.6% 2018 30/35 2.4 3.2 58.0% 60.3% 46.2% 47.0% 47.7% 54.1% 41.8%
25 2021 39/39 1.7 5.9 61.3% 64.5% 45.4% 54.1% 55.5% 57.2% 46.6% 2019 35/36 3.2 3.1 59.4% 62.0% 47.0% 51.0% 52.5% 56.2% 41.8%
26 2022 32/36 1.5 4.9 64.5% 58.7% 41.3% 52.7% 50.7% 52.6% 42.8% 2020 16/16 3.5 3.5 58.9% 71.1% 48.3% 61.6% 48.3% 61.3% 43.8%
27 2023 38/39 2.3 5.1 62.6% 62.5% 44.4% 45.2% 43.9% 55.8% 45.8% 2021 52/52 3.6 3.9 54.6% 70.3% 48.5% 54.9% 54.3% 60.2% 46.1%
28 2024 50/52 1.8 5.3 61.6% 63.1% 44.7% 45.5% 51.0% 56.0% 45.9% 2022 31/31 3.8 6.1 54.1% 69.6% 48.1% 57.9% 52.5% 59.6% 45.1%
29 2025 28/38 1.8 5.6 61.3% 63.9% 41.8% 51.3% 47.9% 55.4% 44.6% 2023 36/36 3.6 4.6 59.0% 67.2% 47.2% 55.1% 48.1% 58.8% 42.2%
30 2026 29/30 1.8 4.7 61.5% 64.3% 45.2% 58.2% 44.6% 56.9% 44.0% 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 — 446/476 2.3 4.5 61.8% 62.6% 44.4% 51.0% 48.3% 55.6% 44.3% — 279/293 3.5 4.3 57.0% 67.2% 47.7% 54.9% 51.3% 58.7% 43.7%

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 Katerina Siniakova Danielle Collins
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
17 2013 1489 101.5 -2.26 +1.26 0.882 47.3% — — — 33.3% -1.00 0–1 — — -0.01 — — — — — — — — — — — — — — — —
18 2014 1521 119.3 -0.71 -0.45 1.019 50.3% +20 — — 43.5% -0.22 1–2 (33%) 2–2 (50%) 100.8 +0.46 — — — — — — — — — — — — — — — —
19 2015 1523 112.2 -0.42 -0.27 0.987 49.9% -25 +16 +104 41.3% -0.43 4–5 (44%) 3–6 (33%) 96.6 +0.31 — — — — — — — — — — — — — — — —
20 2016 1765 130.6 -0.14 +0.26 0.975 49.6% -53 -89 -86 49.4% -0.07 7–6 (54%) 3–2 (60%) 103.3 -2.24 2014 1498 107.7 +4.54 +2.42 0.787 44.9% — — — 33.3% -2.67 0–1 1–0 — -0.24
21 2017 1695 133.7 -0.94 +0.48 0.963 49.3% -23 +84 -66 50.0% -0.08 11–9 (55%) 4–2 (67%) 103.3 -1.76 — — — — — — — — — — — — — — — —
22 2018 1780 137.2 -0.09 +0.44 0.989 49.7% -11 -32 -109 53.0% +0.04 13–10 (57%) 10–8 (56%) 102.2 +0.17 2016 1492 98.2 -2.62 -4.63 0.555 35.2% — — — 0.0% -4.50 — — — +0.13
23 2019 1675 133.8 -0.06 +1.86 1.029 50.5% -18 +94 -38 42.3% -0.28 8–11 (42%) 5–5 (50%) 96.9 -0.30 2017 1484 100.8 -2.48 +1.44 0.619 37.6% — — — 0.0% -5.00 — — — -0.14
24 2020 1701 130.6 -3.03 -0.58 0.836 46.1% -49 +82 — 33.3% -1.10 2–2 (50%) 2–0 — -1.42 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 2021 1802 144.9 +1.25 +3.21 1.089 51.8% -109 +51 -13 54.7% +0.44 9–8 (53%) 8–3 (73%) 107.7 -2.85 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 2022 1763 133.3 -2.97 +0.63 0.904 47.8% -22 +55 -76 46.2% -0.36 8–6 (57%) 3–3 (50%) 101.6 -1.47 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 2023 1808 135.0 -0.13 +2.23 1.035 50.6% -25 — -7 55.8% +0.38 4–5 (44%) 5–6 (45%) 98.4 -1.66 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 2024 1803 141.8 -0.23 +2.61 1.042 50.8% -30 -33 +120 55.1% +0.39 7–13 (35%) 4–8 (33%) 87.5 -1.28 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 2025 1883 142.0 -0.67 +0.92 1.002 50.0% +19 -217 +75 48.8% -0.13 4–8 (33%) 5–4 (56%) 94.0 -1.50 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 2026 1821 142.6 +0.08 +1.57 1.022 50.5% +25 -134 +86 50.0% -0.07 4–7 (36%) 4–4 (50%) 95.9 -0.56 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 — 1894 141.3 -0.47 +1.23 0.997 49.9% -24 +8 +14 49.1% -0.05 82–93 (47%) 58–53 (52%) 97.7 -2.99 — 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

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.