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

Katerina Siniakova vs Karin Knapp H2H: 0-1

Karin Knapp holds a 1–0 lead over Katerina Siniakova in their WTA head-to-head. Across 1 main-draw meeting, Karin Knapp leads 1–0 on hard courts. Most recently, Karin Knapp won the 2015 Miami Open first round 6-2 6-0.

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

Katerina Siniakova
Czech Republic Age 30 Right-Handed 174 cm / 5'9"
H2H
0 – 1
1 main-draw meetings
Karin Knapp
Italy Age 39 Right-Handed 180 cm / 5'11"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Karin Knapp #55 6-2 6-0 Katerina Siniakova #78 Match data Mar 26, 2015* R128 Miami 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
Katerina Siniakova #42 #27 1,718 1,893 228 246 48.1% 0 0 0 0 5 5
Karin Knapp #971 #33 1,420 1,710 103 118 46.6% 0 0 0 0 2 2

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 Karin Knapp
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 2006 3–4 42.9% #122 1,513 0 0
20 2016 18–18 50.0% #52 1,765 0 0 2007 14–14 50.0% #50 1,587 0 0
21 2017 23–23 50.0% #49 1,695 0 2 2008 11–14 44.0% #80 1,603 0 0
22 2018 26–22 54.2% #31 1,779 0 2 2009 3–6 33.3% #205 1,555 0 0
23 2019 20–28 41.7% #58 1,674 0 2 — — — — — — —
24 2020 6–13 31.6% #59 1,701 0 2 2011 0–3 0.0% #164 1,530 0 0
25 2021 22–17 56.4% #49 1,801 0 2 2012 7–7 50.0% #120 1,561 0 0
26 2022 17–19 47.2% #49 1,762 0 3 2013 20–15 57.1% #41 1,680 0 0
27 2023 22–17 56.4% #45 1,807 0 5 2014 18–24 42.9% #54 1,644 0 1
28 2024 26–26 50.0% #45 1,802 0 5 2015 22–20 52.4% #51 1,704 0 2
29 2025 17–20 45.9% #48 1,883 0 5 2016 5–10 33.3% #147 1,637 0 2
30 2026 14–16 46.7% #42 1,820 0 5 2017 0–1 0.0% #966 1,617 0 2

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 Karin Knapp
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 %
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% — — — — 2006 1 2 3 33.3% 2 2 4 50.0% — — — — — — — —
20 2016 10 10 20 50.0% 6 5 11 54.5% 2 3 5 40.0% — — — — 2007 3 5 8 37.5% 11 7 18 61.1% 0 2 2 0.0% — — — —
21 2017 12 14 26 46.2% 10 6 16 62.5% 1 3 4 25.0% — — — — 2008 7 8 15 46.7% 4 5 9 44.4% — — — — 0 1 1 0.0%
22 2018 17 14 31 54.8% 7 6 13 53.8% 2 2 4 50.0% — — — — 2009 3 4 7 42.9% 0 2 2 0.0% — — — — — — — —
23 2019 10 18 28 35.7% 9 7 16 56.3% 1 3 4 25.0% — — — — — — — — — — — — — — — — — — — — —
24 2020 1 9 10 10.0% 5 4 9 55.6% — — — — — — — — 2011 0 2 2 0.0% 0 1 1 0.0% — — — — — — — —
25 2021 9 12 21 42.9% 7 3 10 70.0% 6 2 8 75.0% — — — — 2012 1 2 3 33.3% 6 4 10 60.0% 0 1 1 0.0% — — — —
26 2022 11 11 22 50.0% 6 5 11 54.5% 0 3 3 0.0% — — — — 2013 6 6 12 50.0% 11 8 19 57.9% 3 1 4 75.0% — — — —
27 2023 16 14 30 53.3% 0 1 1 0.0% 6 2 8 75.0% — — — — 2014 13 15 28 46.4% 4 7 11 36.4% 0 1 1 0.0% 1 1 2 50.0%
28 2024 17 17 34 50.0% 4 6 10 40.0% 5 3 8 62.5% — — — — 2015 10 13 23 43.5% 12 4 16 75.0% 0 3 3 0.0% — — — —
29 2025 14 11 25 56.0% 0 5 5 0.0% 3 4 7 42.9% — — — — 2016 0 4 4 0.0% 5 5 10 50.0% 0 1 1 0.0% — — — —
30 2026 8 9 17 47.1% 4 4 8 50.0% 2 3 5 40.0% — — — — 2017 0 1 1 0.0% — — — — — — — — — — — —
Career — 135 157 292 46.2% 62 58 120 51.7% 31 31 62 50.0% — — — — — 44 62 106 41.5% 55 45 100 55.0% 3 9 12 25.0% 1 2 3 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 446/476 of Katerina Siniakova's and 191/221 of Karin Knapp'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 Karin Knapp
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% 2006 2/7 2.5 4.5 56.9% 69.2% 46.9% 37.5% 67.9% 60.1% 43.1%
20 2016 34/37 2.7 4.0 58.7% 63.5% 43.7% 51.7% 50.0% 55.3% 43.5% 2007 19/28 3.0 6.3 54.6% 65.6% 42.6% 50.6% 36.5% 55.0% 44.6%
21 2017 45/46 2.2 3.8 62.4% 61.8% 42.4% 54.6% 49.1% 54.7% 43.6% 2008 21/25 2.1 5.0 60.9% 60.3% 40.5% 48.7% 51.3% 52.6% 43.1%
22 2018 48/48 4.2 4.0 59.3% 64.0% 45.4% 48.7% 46.8% 56.4% 43.2% 2009 8/9 0.8 5.3 50.2% 59.7% 41.0% 49.3% 44.6% 49.7% 43.9%
23 2019 47/48 2.8 2.9 60.4% 62.6% 46.1% 50.1% 46.4% 56.0% 45.3% — —/— — — — — — — — — —
24 2020 19/19 1.7 3.1 65.8% 55.8% 42.7% 50.3% 46.1% 51.4% 40.6% 2011 3/3 1.0 10.7 59.1% 60.2% 39.8% 51.3% 49.7% 51.6% 41.5%
25 2021 39/39 1.7 5.9 61.3% 64.5% 45.4% 54.1% 55.5% 57.2% 46.6% 2012 14/14 1.6 6.0 59.3% 60.0% 40.5% 49.9% 43.5% 52.0% 44.1%
26 2022 32/36 1.5 4.9 64.5% 58.7% 41.3% 52.7% 50.7% 52.6% 42.8% 2013 29/35 2.9 5.0 56.6% 67.7% 43.8% 54.9% 50.9% 57.4% 46.7%
27 2023 38/39 2.3 5.1 62.6% 62.5% 44.4% 45.2% 43.9% 55.8% 45.8% 2014 39/42 3.6 4.7 57.7% 65.5% 43.2% 50.6% 51.2% 55.9% 41.9%
28 2024 50/52 1.8 5.3 61.6% 63.1% 44.7% 45.5% 51.0% 56.0% 45.9% 2015 41/42 2.5 4.2 64.1% 61.4% 48.0% 52.5% 49.5% 56.7% 43.8%
29 2025 28/38 1.8 5.6 61.3% 63.9% 41.8% 51.3% 47.9% 55.4% 44.6% 2016 14/15 2.7 4.9 56.1% 61.7% 41.1% 46.8% 45.0% 52.8% 40.7%
30 2026 29/30 1.8 4.7 61.5% 64.3% 45.2% 58.2% 44.6% 56.9% 44.0% 2017 1/1 3.0 5.0 48.1% 60.0% 29.6% 58.3% 50.0% 44.2% 44.7%
Career — 446/476 2.3 4.5 61.8% 62.6% 44.4% 51.0% 48.3% 55.6% 44.3% — 191/221 2.6 5.1 58.6% 63.4% 43.5% 51.0% 48.2% 55.0% 43.6%

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 Katerina Siniakova Karin Knapp
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 2006 1513 108.6 -0.12 -2.10 1.081 52.1% -5 +47 — 47.1% +0.47 1–2 (33%) 2–4 (33%) 98.3 +0.25
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 2007 1587 121.4 -0.55 -0.12 0.990 49.7% -69 +90 — 49.3% 0.00 6–7 (46%) 6–3 (67%) 101.3 +0.69
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 2008 1603 120.0 -1.76 -0.63 0.909 48.0% -25 +27 — 46.6% -0.74 3–5 (38%) 5–3 (63%) 99.5 +1.04
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 2009 1556 96.3 -3.79 -1.88 0.874 46.7% +5 — — 25.0% -1.75 — 1–1 — +1.05
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 — — — — — — — — — — — — — — — —
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 2011 1531 107.5 +1.01 -0.38 0.858 47.0% — — — 33.3% -1.11 0–3 (0%) 2–1 (67%) — -0.47
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 2012 1562 108.4 -2.46 -0.27 0.918 48.2% -36 +93 — 45.7% -0.69 5–2 (71%) 1–1 — +0.13
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 2013 1681 127.7 +1.14 +1.48 1.097 52.0% -86 -9 -89 57.3% +0.40 5–7 (42%) 5–1 (83%) 103.3 +0.66
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 2014 1645 120.9 -0.61 -1.24 0.951 49.0% -13 -18 — 45.7% -0.48 4–8 (33%) 6–5 (55%) 97.7 +0.92
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 2015 1704 130.8 -0.82 +1.99 1.010 50.4% -81 +81 -160 53.8% +0.27 6–5 (55%) 7–7 (50%) 102.7 -0.73
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 2016 1637 105.2 -1.99 -0.46 0.862 46.9% -62 +121 — 36.4% -1.42 1–4 (20%) 2–0 — -0.47
30 2026 1821 142.6 +0.08 +1.58 1.022 50.5% +25 -134 +86 50.0% -0.07 4–7 (36%) 4–4 (50%) 95.9 -0.57 2017 1618 — -0.56 -4.07 0.802 44.4% — — — — — — — — +0.14
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 — 1711 124.9 -0.85 +0.14 0.969 49.4% -43 +53 -119 48.2% -0.26 31–43 (42%) 37–26 (59%) 103.3 +1.45

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.