H2H data updated: 2026-11-02 00:00 UTC

Katerina Siniakova vs Katie Boulter H2H: 1-1

Katerina Siniakova and Katie Boulter are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, Katie Boulter leads 1–0 on clay, while Katerina Siniakova leads 1–0 on hard courts. Most recently, Katerina Siniakova won the 2026 Japan Women's Open semifinal 6-1 6-4.

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
1 – 1
2 main-draw meetings
Katie Boulter
Great Britain Age 30 Right-Handed 182 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Katerina Siniakova #86 6-1 6-4 Katie Boulter #58 Match data Oct 24, 2026 SF Japan Women's Open WTA 250 Hard
Katie Boulter #40 4-6 6-2 6-1 Katerina Siniakova #57 Match data Apr 22, 2025 R128 Madrid Open WTA 1000 Clay

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 #49 #27 1,718 1,894 235 249 48.6% 0 0 0 0 6 6
Katie Boulter #48 #23 1,931 1,858 101 99 50.5% 0 0 0 1 3 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 Katie Boulter
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 2017 0–1 0.0% #198 1,483 0 0
21 2017 23–23 50.0% #49 1,695 0 2 2018 6–8 42.9% #97 1,594 0 0
22 2018 26–22 54.2% #31 1,779 0 2 2019 2–3 40.0% #319 1,612 0 0
23 2019 20–28 41.7% #58 1,674 0 2 2020 1–2 33.3% #365 1,613 0 0
24 2020 6–13 31.6% #59 1,701 0 2 2021 8–10 44.4% #149 1,628 0 0
25 2021 22–17 56.4% #49 1,802 0 2 2022 9–8 52.9% #136 1,738 0 0
26 2022 17–19 47.2% #49 1,762 0 3 2023 11–10 52.4% #56 1,738 0 1
27 2023 22–17 56.4% #45 1,807 0 5 2024 29–20 59.2% #24 1,822 0 3
28 2024 26–26 50.0% #45 1,802 0 5 2025 11–18 37.9% #106 1,752 0 3
29 2025 17–20 45.9% #48 1,884 0 5 2026 24–19 55.8% #48 1,791 0 4
30 2026 21–19 52.5% #49 1,885 0 6 — — — — — — —

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 Katie Boulter
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% 2017 — — — — — — — — 0 1 1 0.0%
21 2017 12 14 26 46.2% 10 6 16 62.5% 1 3 4 25.0% 2018 3 5 8 37.5% — — — — 3 3 6 50.0%
22 2018 17 14 31 54.8% 7 6 13 53.8% 2 2 4 50.0% 2019 2 3 5 40.0% — — — — — — — —
23 2019 10 18 28 35.7% 9 7 16 56.3% 1 3 4 25.0% 2020 1 2 3 33.3% — — — — — — — —
24 2020 1 9 10 10.0% 5 4 9 55.6% — — — — 2021 4 8 12 33.3% — — — — 4 2 6 66.7%
25 2021 9 12 21 42.9% 7 3 10 70.0% 6 2 8 75.0% 2022 2 4 6 33.3% — — — — 7 4 11 63.6%
26 2022 11 11 22 50.0% 6 5 11 54.5% 0 3 3 0.0% 2023 4 7 11 36.4% — — — — 7 3 10 70.0%
27 2023 16 14 30 53.3% 0 1 1 0.0% 6 2 8 75.0% 2024 21 13 34 61.8% 0 4 4 0.0% 8 3 11 72.7%
28 2024 17 17 34 50.0% 4 6 10 40.0% 5 3 8 62.5% 2025 5 12 17 29.4% 2 3 5 40.0% 4 3 7 57.1%
29 2025 14 11 25 56.0% 0 5 5 0.0% 3 4 7 42.9% 2026 17 11 28 60.7% 4 5 9 44.4% 3 3 6 50.0%
30 2026 15 12 27 55.6% 4 4 8 50.0% 2 3 5 40.0% — — — — — — — — — — — — —
Career — 142 160 302 47.0% 62 58 120 51.7% 31 31 62 50.0% — 59 65 124 47.6% 6 12 18 33.3% 36 22 58 62.1%

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 455/486 of Katerina Siniakova's and 189/200 of Katie Boulter'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 Katie Boulter
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% 2017 1/1 6.0 2.0 57.5% 68.0% 43.2% 44.4% 50.0% 57.5% 38.4%
21 2017 45/46 2.2 3.8 62.4% 61.8% 42.4% 54.6% 49.1% 54.7% 43.6% 2018 12/14 4.3 2.5 57.6% 63.2% 48.6% 49.8% 43.7% 56.6% 39.4%
22 2018 48/48 4.2 4.0 59.3% 64.0% 45.4% 48.7% 46.8% 56.4% 43.2% 2019 5/5 5.8 4.8 57.0% 73.0% 43.6% 62.8% 41.0% 60.2% 36.6%
23 2019 47/48 2.8 2.9 60.4% 62.6% 46.1% 50.1% 46.4% 56.0% 45.3% 2020 3/3 2.0 5.0 52.9% 64.6% 48.7% 51.9% 66.3% 56.7% 37.0%
24 2020 19/19 1.7 3.1 65.8% 55.8% 42.7% 50.3% 46.1% 51.4% 40.6% 2021 18/18 2.8 4.5 57.4% 64.7% 49.2% 55.7% 46.3% 57.9% 40.6%
25 2021 39/39 1.7 5.9 61.3% 64.5% 45.4% 54.1% 55.5% 57.2% 46.6% 2022 17/17 2.8 4.1 60.0% 69.4% 40.6% 53.2% 47.5% 57.9% 39.5%
26 2022 32/36 1.5 4.9 64.5% 58.7% 41.3% 52.7% 50.7% 52.6% 42.8% 2023 21/21 3.9 5.2 58.0% 67.7% 43.8% 59.7% 49.1% 58.0% 43.6%
27 2023 38/39 2.3 5.1 62.6% 62.5% 44.4% 45.2% 43.9% 55.8% 45.8% 2024 48/49 3.6 5.3 56.3% 72.2% 45.5% 54.3% 46.4% 60.7% 42.8%
28 2024 50/52 1.8 5.3 61.6% 63.1% 44.7% 45.5% 51.0% 56.0% 45.9% 2025 24/29 2.7 6.3 59.0% 62.3% 39.7% 47.0% 50.3% 53.4% 41.0%
29 2025 28/38 1.8 5.6 61.3% 63.9% 41.8% 51.3% 47.9% 55.4% 44.6% 2026 40/43 1.9 5.5 59.6% 66.4% 40.6% 50.1% 49.2% 56.4% 43.1%
30 2026 38/40 1.8 4.4 61.1% 64.8% 46.1% 58.4% 46.4% 57.5% 45.6% — —/— — — — — — — — — —
Career — 455/486 2.3 4.5 61.7% 62.6% 44.5% 51.2% 48.4% 55.7% 44.4% — 189/200 3.1 5.0 58.0% 67.6% 43.6% 53.0% 47.9% 57.7% 41.7%

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 Katie Boulter
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 2016 1493 97.3 — — — — — — — — — — — — —
20 2016 1765 130.1 -0.14 +0.26 0.975 49.6% -53 -88 -86 48.8% -0.10 6–6 (50%) 3–1 (75%) 103.0 -2.24 2017 1483 99.7 +1.01 -1.68 0.903 47.3% — — — 33.3% -0.67 0–1 — — +0.04
21 2017 1696 133.8 -0.94 +0.48 0.963 49.3% -24 +83 -67 50.0% -0.08 11–9 (55%) 4–2 (67%) 103.3 -1.77 2018 1594 115.0 -0.12 -1.06 0.907 47.7% -26 — +22 45.5% -0.70 2–3 (40%) 2–0 — -0.32
22 2018 1780 137.2 -0.09 +0.44 0.989 49.7% -11 -31 -109 53.0% +0.04 13–10 (57%) 10–8 (56%) 102.2 +0.17 2019 1612 116.7 +1.64 -0.86 0.919 48.0% -15 — — 50.0% -0.10 1–1 1–0 — -0.20
23 2019 1675 132.0 -0.07 +1.87 1.029 50.5% -18 +95 -38 41.3% -0.37 8–11 (42%) 5–5 (50%) 96.9 -0.29 2020 1613 109.1 -0.24 -1.93 0.856 47.8% -3 — — 28.6% -0.57 1–0 0–1 — -0.13
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 2021 1629 122.0 +0.87 -1.11 0.965 49.3% -39 — +50 47.5% -0.35 3–3 (50%) 1–1 — -0.81
25 2021 1802 145.0 +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 2022 1738 131.0 +0.12 -1.36 0.939 49.0% -68 — +130 53.8% 0.00 4–3 (57%) 4–1 (80%) 106.4 -0.69
26 2022 1763 131.5 -2.97 +0.63 0.904 47.8% -22 +55 -75 46.2% -0.36 8–6 (57%) 3–3 (50%) 101.6 -1.47 2023 1738 126.9 +0.54 +0.56 1.039 51.1% -58 — +162 52.1% +0.40 3–3 (50%) 2–4 (33%) 99.1 +1.53
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 2024 1823 146.2 +3.23 -0.07 1.090 51.5% +13 -317 +185 55.8% +0.58 8–4 (67%) 4–7 (36%) 102.5 +1.02
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 2025 1753 131.1 -2.49 -0.85 0.879 47.3% -20 -102 +240 39.1% -0.78 8–5 (62%) 3–4 (43%) 100.8 -1.87
29 2025 1884 142.0 -0.67 +0.92 1.002 50.0% +18 -218 +71 48.8% -0.13 4–8 (33%) 5–4 (56%) 94.0 -1.51 2026 1806 141.2 -0.24 +0.28 0.987 49.7% +18 -161 +109 51.0% +0.08 9–5 (64%) 5–4 (56%) 104.7 -1.53
30 2026 1885 148.2 +0.45 +2.65 1.073 51.5% +26 -201 +18 55.7% +0.44 5–9 (36%) 4–4 (50%) 95.1 -1.31 — — — — — — — — — — — — — — — —
Career — 1895 141.6 -0.43 +1.33 1.002 50.0% -22 +4 +8 49.4% -0.02 82–95 (46%) 58–52 (53%) 97.6 -3.09 — 1859 138.6 +0.64 -0.36 0.986 49.7% -10 -179 +138 49.4% -0.02 39–28 (58%) 22–22 (50%) 107.0 -1.48

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.