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

Iga Swiatek vs Katerina Siniakova H2H: 1-0

Iga Swiatek holds a 1–0 lead over Katerina Siniakova in their WTA head-to-head. Across 1 main-draw meeting, Iga Swiatek leads 1–0 on hard courts. Most recently, Iga Swiatek won the 2025 Australian Open first round 6-3 6-4.

Poland Age 25 Right-Handed 176 cm / 5'9"
H2H
1 0
1 main-draw meetings
Czech Republic Age 30 Right-Handed 174 cm / 5'9"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Iga Swiatek #2 6-3 6-4 Katerina Siniakova #50 Match data Jan 13, 2025 R128 Australian Open Grand Slam Hard

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
Iga Swiatek #8 #1 11,695 2,287 341 88 79.5% 6 12 1 6 1 26
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 Iga Swiatek Katerina Siniakova
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 2013 0–1 0.0% #171 1,488 0 0
18 2019 14–11 56.0% #60 1,744 0 0 2014 4–6 40.0% #84 1,521 0 0
19 2020 13–5 72.2% #17 1,863 1 1 2015 13–20 39.4% #102 1,522 0 0
20 2021 36–15 70.6% #9 1,936 1 3 2016 18–18 50.0% #52 1,765 0 0
21 2022 65–9 87.8% #1 2,165 3 11 2017 23–23 50.0% #49 1,695 0 2
22 2023 67–11 85.9% #1 2,224 4 17 2018 26–22 54.2% #31 1,779 0 2
23 2024 55–9 85.9% #2 2,208 5 22 2019 20–28 41.7% #58 1,674 0 2
24 2025 58–16 78.4% #2 2,142 6 25 2020 6–13 31.6% #59 1,701 0 2
25 2026 33–12 73.3% #8 2,116 6 26 2021 22–17 56.4% #49 1,801 0 2
26 2022 17–19 47.2% #49 1,762 0 3
27 2023 22–17 56.4% #45 1,807 0 5
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 Iga Swiatek 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 2019 7 6 13 53.8% 7 3 10 70.0% 0 2 2 0.0% 2014 4 5 9 44.4% 0 1 1 0.0%
19 2020 6 4 10 60.0% 7 1 8 87.5% 2015 6 12 18 33.3% 4 5 9 44.4% 3 3 6 50.0%
20 2021 20 11 31 64.5% 12 2 14 85.7% 4 2 6 66.7% 2016 10 10 20 50.0% 6 5 11 54.5% 2 3 5 40.0%
21 2022 45 7 52 86.5% 18 1 19 94.7% 2 1 3 66.7% 2017 12 14 26 46.2% 10 6 16 62.5% 1 3 4 25.0%
22 2023 41 7 48 85.4% 19 2 21 90.5% 7 2 9 77.8% 2018 17 14 31 54.8% 7 6 13 53.8% 2 2 4 50.0%
23 2024 27 6 33 81.8% 26 2 28 92.9% 2 1 3 66.7% 2019 10 18 28 35.7% 9 7 16 56.3% 1 3 4 25.0%
24 2025 37 11 48 77.1% 11 4 15 73.3% 10 1 11 90.9% 2020 1 9 10 10.0% 5 4 9 55.6%
25 2026 22 6 28 78.6% 9 4 13 69.2% 2 2 4 50.0% 2021 9 12 21 42.9% 7 3 10 70.0% 6 2 8 75.0%
26 2022 11 11 22 50.0% 6 5 11 54.5% 0 3 3 0.0%
27 2023 16 14 30 53.3% 0 1 1 0.0% 6 2 8 75.0%
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 205 58 263 77.9% 109 19 128 85.2% 27 11 38 71.1% 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 403/429 of Iga Swiatek'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 Iga Swiatek 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 2019 25/25 3.6 3.2 54.2% 64.5% 50.8% 54.2% 49.8% 58.2% 45.4% 2014 10/10 1.7 4.4 61.7% 63.9% 42.1% 54.2% 38.1% 55.3% 45.6%
19 2020 18/18 1.9 2.3 57.8% 63.8% 53.6% 54.6% 46.5% 59.4% 48.9% 2015 26/33 1.7 5.5 66.1% 62.0% 50.4% 53.7% 47.1% 58.1% 41.4%
20 2021 47/51 2.6 2.5 57.0% 70.7% 53.6% 51.5% 43.7% 63.4% 46.1% 2016 34/37 2.7 4.0 58.7% 63.5% 43.7% 51.7% 50.0% 55.3% 43.5%
21 2022 74/74 2.0 2.1 65.4% 68.3% 53.3% 55.3% 53.4% 62.9% 51.5% 2017 45/46 2.2 3.8 62.4% 61.8% 42.4% 54.6% 49.1% 54.7% 43.6%
22 2023 74/78 1.6 1.6 65.3% 71.0% 56.2% 49.1% 59.0% 66.0% 53.0% 2018 48/48 4.2 4.0 59.3% 64.0% 45.4% 48.7% 46.8% 56.4% 43.2%
23 2024 57/64 2.0 1.5 65.8% 71.0% 57.1% 59.0% 48.8% 66.2% 49.4% 2019 47/48 2.8 2.9 60.4% 62.6% 46.1% 50.1% 46.4% 56.0% 45.3%
24 2025 63/74 3.1 3.1 61.4% 70.5% 49.0% 57.0% 53.8% 62.4% 49.5% 2020 19/19 1.7 3.1 65.8% 55.8% 42.7% 50.3% 46.1% 51.4% 40.6%
25 2026 45/45 1.7 3.1 66.2% 69.0% 51.2% 58.4% 54.4% 62.8% 50.3% 2021 39/39 1.7 5.9 61.3% 64.5% 45.4% 54.1% 55.5% 57.2% 46.6%
26 —/— 2022 32/36 1.5 4.9 64.5% 58.7% 41.3% 52.7% 50.7% 52.6% 42.8%
27 —/— 2023 38/39 2.3 5.1 62.6% 62.5% 44.4% 45.2% 43.9% 55.8% 45.8%
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 403/429 2.2 2.3 62.9% 69.4% 53.3% 54.8% 52.3% 63.5% 49.9% 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 Iga Swiatek 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 2019 1745 132.7 +0.77 +1.74 1.084 51.8% -28 -78 51.7% +0.22 6–4 (60%) 1–3 (25%) 102.2 +0.81 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 2020 1864 147.1 +2.15 +3.63 1.204 54.0% -102 -28 71.1% +1.58 1–1 1–2 (33%) -0.06 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 2021 1937 156.2 +5.89 +3.79 1.261 54.4% -81 +86 -187 67.6% +1.32 5–5 (50%) 5–3 (63%) 101.2 +0.86 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 2022 2166 172.9 +6.26 +8.30 1.388 57.0% +1 +38 -403 79.6% +2.40 16–5 (76%) 6–5 (55%) 104.9 -0.64 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 2023 2225 175.7 +8.79 +10.09 1.558 59.3% +33 +59 -314 83.0% +2.76 9–6 (60%) 10–4 (71%) 102.0 -1.15 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 2024 2208 173.7 +8.58 +7.08 1.463 57.5% +22 +181 -245 80.5% +2.34 8–3 (73%) 6–2 (75%) 101.3 -0.33 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 2025 2143 173.0 +5.66 +6.77 1.318 55.9% +24 +166 +108 75.3% +1.91 8–7 (53%) 7–6 (54%) 95.7 -0.36 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 2026 2117 167.7 +5.34 +7.29 1.353 56.4% +75 +109 +15 69.9% +1.89 7–8 (47%) 4–3 (57%) 93.2 +0.56 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 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 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 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 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 +1.57 1.022 50.5% +25 -134 +86 50.0% -0.07 4–7 (36%) 4–4 (50%) 95.9 -0.57
Career 2288 172.8 +6.29 +6.96 1.366 56.5% +7 +87 -129 75.0% +2.02 60–39 (61%) 40–28 (59%) 100.6 -0.07 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.