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

Jessica Pegula vs Katerina Siniakova H2H: 6-1

Jessica Pegula holds a 6–1 lead over Katerina Siniakova in their WTA head-to-head. Across 7 main-draw meetings, Jessica Pegula leads 3–1 on grass and 3–0 on hard courts. Most recently, Jessica Pegula won the 2026 Berlin Open second round 6-2 6-4.

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Jessica Pegula
United States Age 32 Right-Handed 170 cm / 5'7"
H2H
6 – 1
7 main-draw meetings
Katerina Siniakova
Czech Republic Age 30 Right-Handed 174 cm / 5'9"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Jessica Pegula #4 6-2 6-4 Katerina Siniakova #34 Match data Jun 17, 2026 R16 Berlin Open WTA 500 Grass
Jessica Pegula #6 2-6 6-0 6-3 Katerina Siniakova #62 Match data Oct 10, 2025 QF Wuhan Open WTA 1000 Hard
Jessica Pegula #3 6-2 6-3 Katerina Siniakova #78 Match data Jun 24, 2025 R16 Bad Homburg Open WTA 500 Grass
Jessica Pegula #5 7-6(2) 3-6 6-3 Katerina Siniakova #30 Match data Jun 22, 2024* QF Berlin Open WTA 500 Grass
Jessica Pegula #17 6-3 6-2 Katerina Siniakova #48 Match data Feb 22, 2022* R64 Qatar Open WTA 1000 Hard
Katerina Siniakova #76 6-3 5-7 6-4 Jessica Pegula #25 Match data Jun 24, 2021* R16 Bad Homburg Open WTA 250 Grass
Jessica Pegula #79 6-4 6-3 Katerina Siniakova #41 Match data Aug 1, 2019* R32 Washington Open International → modern equivalent WTA 250 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
Jessica Pegula #3 #3 7,265 2,166 304 140 68.5% 0 4 0 4 3 11
Katerina Siniakova #42 #27 1,718 1,893 228 246 48.1% 0 0 0 0 5 5

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 Jessica Pegula Katerina Siniakova
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 2013 0–1 0.0% #171 1,488 0 0
18 2012 0–2 0.0% #150 1,478 0 0 2014 4–6 40.0% #84 1,521 0 0
19 2013 2–4 33.3% #203 1,489 0 0 2015 13–20 39.4% #102 1,522 0 0
20 — — — — — — — 2016 18–18 50.0% #52 1,765 0 0
21 2015 2–4 33.3% #155 1,484 0 0 2017 23–23 50.0% #49 1,695 0 2
22 2016 5–3 62.5% #167 1,518 0 0 2018 26–22 54.2% #31 1,779 0 2
23 2017 0–1 0.0% #627 1,500 0 0 2019 20–28 41.7% #58 1,674 0 2
24 2018 4–1 80.0% #111 1,608 0 0 2020 6–13 31.6% #59 1,701 0 2
25 2019 9–13 40.9% #83 1,634 0 1 2021 22–17 56.4% #49 1,801 0 2
26 2020 10–6 62.5% #63 1,788 0 1 2022 17–19 47.2% #49 1,762 0 3
27 2021 38–19 66.7% #18 1,925 0 1 2023 22–17 56.4% #45 1,807 0 5
28 2022 42–20 67.7% #3 1,975 0 2 2024 26–26 50.0% #45 1,802 0 5
29 2023 54–17 76.1% #5 2,084 0 4 2025 17–20 45.9% #48 1,883 0 5
30 2024 36–16 69.2% #7 2,026 0 6 2026 14–16 46.7% #42 1,820 0 5
31 2025 52–21 71.2% #6 2,057 0 9 — — — — — — —
32 2026 50–13 79.4% #3 2,140 0 11 — — — — — — —

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 Jessica Pegula Katerina Siniakova
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 2012 0 2 2 0.0% — — — — — — — — 2014 4 5 9 44.4% 0 1 1 0.0% — — — —
19 2013 0 2 2 0.0% 2 2 4 50.0% — — — — 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%
21 2015 2 2 4 50.0% 0 1 1 0.0% 0 1 1 0.0% 2017 12 14 26 46.2% 10 6 16 62.5% 1 3 4 25.0%
22 2016 5 3 8 62.5% — — — — — — — — 2018 17 14 31 54.8% 7 6 13 53.8% 2 2 4 50.0%
23 2017 0 1 1 0.0% — — — — — — — — 2019 10 18 28 35.7% 9 7 16 56.3% 1 3 4 25.0%
24 2018 4 1 5 80.0% — — — — — — — — 2020 1 9 10 10.0% 5 4 9 55.6% — — — —
25 2019 6 7 13 46.2% 3 4 7 42.9% 0 2 2 0.0% 2021 9 12 21 42.9% 7 3 10 70.0% 6 2 8 75.0%
26 2020 10 5 15 66.7% 0 1 1 0.0% — — — — 2022 11 11 22 50.0% 6 5 11 54.5% 0 3 3 0.0%
27 2021 27 12 39 69.2% 7 4 11 63.6% 4 3 7 57.1% 2023 16 14 30 53.3% 0 1 1 0.0% 6 2 8 75.0%
28 2022 28 15 43 65.1% 12 4 16 75.0% 2 1 3 66.7% 2024 17 17 34 50.0% 4 6 10 40.0% 5 3 8 62.5%
29 2023 40 11 51 78.4% 8 4 12 66.7% 6 2 8 75.0% 2025 14 11 25 56.0% 0 5 5 0.0% 3 4 7 42.9%
30 2024 26 11 37 70.3% 4 2 6 66.7% 6 3 9 66.7% 2026 8 9 17 47.1% 4 4 8 50.0% 2 3 5 40.0%
31 2025 37 14 51 72.5% 11 5 16 68.8% 4 2 6 66.7% — — — — — — — — — — — — —
32 2026 34 8 42 81.0% 9 3 12 75.0% 7 2 9 77.8% — — — — — — — — — — — — —
Career — 219 94 313 70.0% 56 30 86 65.1% 29 16 45 64.4% — 135 157 292 46.2% 62 58 120 51.7% 31 31 62 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 404/444 of Jessica Pegula's and 446/476 of Katerina Siniakova'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 Jessica Pegula Katerina Siniakova
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 2012 2/2 3.5 3.0 58.7% 60.3% 56.8% 73.0% 57.7% 58.9% 33.1% 2014 10/10 1.7 4.4 61.7% 63.9% 42.1% 54.2% 38.1% 55.3% 45.6%
19 2013 5/6 0.6 3.4 58.9% 55.7% 46.7% 61.7% 47.7% 51.8% 42.3% 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%
21 2015 3/6 1.7 3.7 62.7% 69.6% 46.8% 57.3% 34.6% 60.8% 39.9% 2017 45/46 2.2 3.8 62.4% 61.8% 42.4% 54.6% 49.1% 54.7% 43.6%
22 2016 4/8 2.3 2.5 60.3% 60.6% 43.7% 52.4% 50.4% 53.8% 36.9% 2018 48/48 4.2 4.0 59.3% 64.0% 45.4% 48.7% 46.8% 56.4% 43.2%
23 2017 1/1 6.0 6.0 53.4% 70.2% 46.3% 66.7% 33.3% 59.1% 33.7% 2019 47/48 2.8 2.9 60.4% 62.6% 46.1% 50.1% 46.4% 56.0% 45.3%
24 2018 5/5 4.4 2.8 60.7% 69.8% 43.9% 63.7% 54.4% 59.5% 43.0% 2020 19/19 1.7 3.1 65.8% 55.8% 42.7% 50.3% 46.1% 51.4% 40.6%
25 2019 22/22 2.0 2.5 61.1% 60.0% 45.9% 51.0% 45.5% 54.7% 42.7% 2021 39/39 1.7 5.9 61.3% 64.5% 45.4% 54.1% 55.5% 57.2% 46.6%
26 2020 16/16 2.4 2.2 61.9% 63.7% 49.2% 54.3% 45.5% 58.1% 44.4% 2022 32/36 1.5 4.9 64.5% 58.7% 41.3% 52.7% 50.7% 52.6% 42.8%
27 2021 52/57 2.8 3.0 59.7% 67.6% 50.8% 56.5% 49.0% 61.0% 46.9% 2023 38/39 2.3 5.1 62.6% 62.5% 44.4% 45.2% 43.9% 55.8% 45.8%
28 2022 61/62 2.6 3.1 58.0% 68.1% 49.3% 53.2% 46.7% 60.2% 46.4% 2024 50/52 1.8 5.3 61.6% 63.1% 44.7% 45.5% 51.0% 56.0% 45.9%
29 2023 69/71 2.5 2.4 58.4% 67.2% 50.7% 54.6% 51.3% 60.2% 47.5% 2025 28/38 1.8 5.6 61.3% 63.9% 41.8% 51.3% 47.9% 55.4% 44.6%
30 2024 49/52 3.3 2.4 61.5% 68.0% 50.3% 57.0% 52.0% 61.2% 44.8% 2026 29/30 1.8 4.7 61.5% 64.3% 45.2% 58.2% 44.6% 56.9% 44.0%
31 2025 57/73 2.6 2.2 62.3% 67.9% 50.7% 56.5% 50.4% 61.3% 46.1% — —/— — — — — — — — — —
32 2026 58/63 4.0 1.8 61.6% 70.6% 51.2% 56.2% 47.4% 63.1% 45.6% — —/— — — — — — — — — —
Career — 404/444 2.8 2.5 60.3% 67.4% 50.0% 55.5% 49.0% 60.4% 45.7% — 446/476 2.3 4.5 61.8% 62.6% 44.4% 51.0% 48.3% 55.6% 44.3%

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 Jessica Pegula Katerina Siniakova
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 2012 1479 101.6 -0.91 -1.89 0.805 47.0% — — — 20.0% -1.60 0–1 — — -0.05 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 2013 1489 106.5 -1.07 +0.21 0.878 47.3% — +75 — 35.7% -1.00 1–1 1–1 — -0.25 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
21 2015 1485 104.6 +0.19 -1.18 1.018 49.7% +11 — — 43.8% -0.63 1–3 (25%) 2–3 (40%) — +0.29 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 2016 1519 111.1 -0.50 -2.35 0.800 45.8% +15 — — 58.8% +0.23 1–0 2–1 (67%) — +0.01 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
23 2017 1501 95.9 -2.41 -3.99 0.824 46.6% — — — 33.3% -2.00 0–1 — — +0.19 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 2018 1608 112.0 -0.41 +0.67 1.062 51.5% +6 — — 72.7% +0.91 1–0 2–0 — +0.14 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
25 2019 1634 127.0 -1.39 +0.06 0.941 48.7% +21 -85 — 41.2% -0.49 4–3 (57%) 2–2 (50%) 102.2 -0.99 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
26 2020 1788 143.1 +1.44 +2.30 1.059 51.0% +28 — — 51.4% +0.17 5–0 (100%) 3–2 (60%) 107.9 -1.45 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
27 2021 1926 160.3 +4.03 +4.07 1.203 53.8% +32 -304 -286 64.0% +1.08 7–10 (41%) 3–2 (60%) 99.3 -0.70 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
28 2022 1975 158.6 +3.67 +4.35 1.167 53.0% +11 -131 -302 62.7% +0.90 10–6 (63%) 7–8 (47%) 100.5 +0.72 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
29 2023 2085 164.0 +3.89 +4.87 1.193 53.7% +47 -210 -304 68.3% +1.39 17–6 (74%) 6–7 (46%) 104.6 +0.29 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 2024 2026 156.7 +4.38 +2.33 1.156 52.9% +50 -128 -137 63.6% +0.76 13–7 (65%) 11–8 (58%) 100.5 +1.07 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 -0.57
31 2025 2057 165.8 +4.29 +3.29 1.192 53.6% +59 -133 -89 66.5% +1.16 17–13 (57%) 9–11 (45%) 95.7 +2.36 — — — — — — — — — — — — — — — —
32 2026 2141 168.2 +6.12 +3.68 1.237 53.8% +67 -158 -77 70.0% +1.27 19–5 (79%) 9–3 (75%) 110.3 -0.74 — — — — — — — — — — — — — — — —
Career — 2167 162.8 +3.70 +3.34 1.155 52.9% +41 -155 -186 63.2% +0.91 96–56 (63%) 57–48 (54%) 105.1 +0.20 — 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

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.