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

Katerina Siniakova vs Rebecca Peterson H2H: 1-2

Rebecca Peterson 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 clay, while Rebecca Peterson leads 1–0 on hard courts. Most recently, Rebecca Peterson won the 2018 Cincinnati Open first round 2-6 6-4 6-1.

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Katerina Siniakova
Czech Republic Age 30 Right-Handed 174 cm / 5'9"
H2H
1 – 2
3 main-draw meetings
Rebecca Peterson
Sweden Age 31 Right-Handed 173 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Rebecca Peterson #72 2-6 6-4 6-1 Katerina Siniakova #54 Match data Aug 15, 2018* R64 Cincinnati Open Premier 5 → modern equivalent WTA 1000 Hard
Katerina Siniakova #56 6-3 3-6 6-1 Rebecca Peterson #170 Match data Jul 27, 2017* R32 Bastad International → modern equivalent WTA 250 Clay
Rebecca Peterson #164 7-5 7-6(6) Katerina Siniakova #65 Match data Jul 17, 2015* R16 Bastad International → modern equivalent 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
Katerina Siniakova #42 #27 1,718 1,893 228 246 48.1% 0 0 0 0 5 5
Rebecca Peterson #573 #43 1,332 1,861 80 95 45.7% 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 Rebecca Peterson
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 2012 0–1 0.0% — 1,488 0 0
17 2013 0–1 0.0% #171 1,488 0 0 2013 0–1 0.0% #263 1,484 0 0
18 2014 4–6 40.0% #84 1,521 0 0 2014 1–2 33.3% #230 1,489 0 0
19 2015 13–20 39.4% #102 1,522 0 0 2015 3–4 42.9% #131 1,505 0 0
20 2016 18–18 50.0% #52 1,765 0 0 2016 3–6 33.3% #146 1,505 0 0
21 2017 23–23 50.0% #49 1,695 0 2 2017 2–3 40.0% #174 1,550 0 0
22 2018 26–22 54.2% #31 1,779 0 2 2018 10–11 47.6% #63 1,693 0 0
23 2019 20–28 41.7% #58 1,674 0 2 2019 25–18 58.1% #44 1,861 0 2
24 2020 6–13 31.6% #59 1,701 0 2 2020 3–10 23.1% #55 1,697 0 2
25 2021 22–17 56.4% #49 1,801 0 2 2021 18–18 50.0% #88 1,699 0 2
26 2022 17–19 47.2% #49 1,762 0 3 2022 7–14 33.3% #119 1,659 0 2
27 2023 22–17 56.4% #45 1,807 0 5 2023 8–7 53.3% #127 1,647 0 2
28 2024 26–26 50.0% #45 1,802 0 5 — — — — — — —
29 2025 17–20 45.9% #48 1,883 0 5 — — — — — — —
30 2026 14–16 46.7% #42 1,820 0 5 — — — — — — —

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 Rebecca Peterson
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 %
16 — — — — — — — — — — — — — 2012 — — — — 0 1 1 0.0% — — — —
17 2013 0 1 1 0.0% — — — — — — — — 2013 — — — — 0 1 1 0.0% — — — —
18 2014 4 5 9 44.4% 0 1 1 0.0% — — — — 2014 1 1 2 50.0% 0 1 1 0.0% — — — —
19 2015 6 12 18 33.3% 4 5 9 44.4% 3 3 6 50.0% 2015 1 1 2 50.0% 2 3 5 40.0% — — — —
20 2016 10 10 20 50.0% 6 5 11 54.5% 2 3 5 40.0% 2016 2 2 4 50.0% 1 4 5 20.0% — — — —
21 2017 12 14 26 46.2% 10 6 16 62.5% 1 3 4 25.0% 2017 2 2 4 50.0% 0 1 1 0.0% — — — —
22 2018 17 14 31 54.8% 7 6 13 53.8% 2 2 4 50.0% 2018 7 6 13 53.8% 1 3 4 25.0% 2 2 4 50.0%
23 2019 10 18 28 35.7% 9 7 16 56.3% 1 3 4 25.0% 2019 17 9 26 65.4% 6 6 12 50.0% 2 3 5 40.0%
24 2020 1 9 10 10.0% 5 4 9 55.6% — — — — 2020 2 6 8 25.0% 1 4 5 20.0% — — — —
25 2021 9 12 21 42.9% 7 3 10 70.0% 6 2 8 75.0% 2021 15 13 28 53.6% 3 3 6 50.0% 0 2 2 0.0%
26 2022 11 11 22 50.0% 6 5 11 54.5% 0 3 3 0.0% 2022 4 8 12 33.3% 3 5 8 37.5% 0 1 1 0.0%
27 2023 16 14 30 53.3% 0 1 1 0.0% 6 2 8 75.0% 2023 7 3 10 70.0% 1 2 3 33.3% 0 2 2 0.0%
28 2024 17 17 34 50.0% 4 6 10 40.0% 5 3 8 62.5% — — — — — — — — — — — — —
29 2025 14 11 25 56.0% 0 5 5 0.0% 3 4 7 42.9% — — — — — — — — — — — — —
30 2026 8 9 17 47.1% 4 4 8 50.0% 2 3 5 40.0% — — — — — — — — — — — — —
Career — 135 157 292 46.2% 62 58 120 51.7% 31 31 62 50.0% — 58 51 109 53.2% 18 34 52 34.6% 4 10 14 28.6%

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 168/174 of Rebecca Peterson'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 Rebecca Peterson
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% 2013 1/1 1.0 3.0 64.3% 41.7% 40.0% 45.5% 66.7% 41.1% 42.2%
18 2014 10/10 1.7 4.4 61.7% 63.9% 42.1% 54.2% 38.1% 55.3% 45.6% 2014 3/3 0.7 4.0 64.5% 51.3% 36.8% 49.5% 42.5% 46.3% 44.1%
19 2015 26/33 1.7 5.5 66.1% 62.0% 50.4% 53.7% 47.1% 58.1% 41.4% 2015 5/7 0.8 4.8 70.0% 57.3% 48.6% 36.8% 50.3% 55.0% 41.0%
20 2016 34/37 2.7 4.0 58.7% 63.5% 43.7% 51.7% 50.0% 55.3% 43.5% 2016 9/9 1.6 3.6 68.4% 61.4% 41.7% 48.7% 51.7% 55.4% 40.7%
21 2017 45/46 2.2 3.8 62.4% 61.8% 42.4% 54.6% 49.1% 54.7% 43.6% 2017 5/5 2.2 3.2 64.2% 63.6% 48.6% 73.1% 59.8% 58.0% 42.1%
22 2018 48/48 4.2 4.0 59.3% 64.0% 45.4% 48.7% 46.8% 56.4% 43.2% 2018 21/21 3.6 3.7 63.7% 62.9% 41.3% 57.6% 50.4% 55.0% 43.1%
23 2019 47/48 2.8 2.9 60.4% 62.6% 46.1% 50.1% 46.4% 56.0% 45.3% 2019 42/43 2.2 2.8 67.1% 61.9% 50.4% 57.2% 44.5% 58.0% 43.3%
24 2020 19/19 1.7 3.1 65.8% 55.8% 42.7% 50.3% 46.1% 51.4% 40.6% 2020 13/13 1.5 2.8 66.5% 55.9% 44.5% 36.8% 30.4% 51.8% 39.5%
25 2021 39/39 1.7 5.9 61.3% 64.5% 45.4% 54.1% 55.5% 57.2% 46.6% 2021 34/36 2.3 3.4 65.5% 62.2% 47.7% 52.4% 47.4% 57.1% 41.3%
26 2022 32/36 1.5 4.9 64.5% 58.7% 41.3% 52.7% 50.7% 52.6% 42.8% 2022 20/21 1.9 3.7 63.7% 61.1% 42.5% 45.1% 45.0% 54.0% 39.8%
27 2023 38/39 2.3 5.1 62.6% 62.5% 44.4% 45.2% 43.9% 55.8% 45.8% 2023 15/15 2.1 4.1 65.3% 64.3% 40.5% 53.5% 51.5% 55.9% 45.3%
28 2024 50/52 1.8 5.3 61.6% 63.1% 44.7% 45.5% 51.0% 56.0% 45.9% — —/— — — — — — — — — —
29 2025 28/38 1.8 5.6 61.3% 63.9% 41.8% 51.3% 47.9% 55.4% 44.6% — —/— — — — — — — — — —
30 2026 29/30 1.8 4.7 61.5% 64.3% 45.2% 58.2% 44.6% 56.9% 44.0% — —/— — — — — — — — — —
Career — 446/476 2.3 4.5 61.8% 62.6% 44.4% 51.0% 48.3% 55.6% 44.3% — 168/175 2.2 3.4 65.7% 61.3% 45.5% 52.1% 46.5% 55.8% 42.1%

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 Rebecca Peterson
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 — — — — — — — — — — — — — — — — 2012 1488 95.9 — — — — — — — 0.0% -4.50 — — — -0.02
17 2013 1489 101.5 -2.26 +1.26 0.882 47.3% — — — 33.3% -1.00 0–1 — — -0.01 2013 1485 102.5 +3.18 +1.91 0.716 41.7% — — — 0.0% -4.00 — — — -0.28
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 2014 1490 101.8 -1.67 +0.24 0.821 45.5% — — — 0.0% -3.50 — — — -0.10
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 2015 1505 104.6 -0.71 -1.19 0.911 47.7% — -1 — 37.5% -1.06 2–0 1–1 — -0.09
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 2016 1506 107.2 -0.91 -1.94 0.911 48.2% +59 -42 — 42.1% -0.37 1–2 (33%) 1–2 (33%) — +0.28
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 2017 1550 106.4 +0.60 -1.14 1.003 50.3% +49 — — 45.5% -0.36 0–1 0–1 — -0.10
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 2018 1693 125.9 -0.84 -0.13 0.960 49.2% +26 -250 -63 46.7% -0.22 2–3 (40%) 2–4 (33%) 98.7 +0.29
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 2019 1862 140.3 +1.54 +0.91 1.032 50.8% -2 -323 -222 53.6% +0.22 11–6 (65%) 5–5 (50%) 106.5 -2.59
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 2020 1698 103.7 -2.62 -2.51 0.819 45.3% +41 -190 — 20.8% -2.08 1–1 2–3 (40%) — +0.28
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 2021 1700 129.0 +0.81 -0.92 0.963 49.2% +11 -79 — 49.4% -0.04 6–7 (46%) 6–6 (50%) 103.0 -0.71
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 2022 1659 117.2 -1.27 -2.53 0.866 47.2% +49 -54 — 33.3% -0.89 2–3 (40%) 1–2 (33%) — -0.50
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 2023 1647 126.0 -0.31 +1.31 1.028 50.7% +73 -62 — 48.5% +0.12 3–2 (60%) 0–4 (0%) 97.8 -0.35
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 2024 1645 — — — — — — — — — — — — — —
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 — — — — — — — — — — — — — — — —
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 — — — — — — — — — — — — — — — —
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 — 1862 129.7 0.00 -0.51 0.952 49.0% +25 -149 -151 44.3% -0.36 28–25 (53%) 18–28 (39%) 101.5 -2.22

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.