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

Katerina Siniakova vs Zarina Diyas H2H: 1-1

Katerina Siniakova and Zarina Diyas are tied 1–1 in their WTA head-to-head. Across 2 main-draw meetings, they are tied 1–1 on hard courts. Most recently, Katerina Siniakova won the 2016 Shenzhen round of 16 6-0 6-4.

Czech Republic Age 30 Right-Handed 174 cm / 5'9"
H2H
1 1
2 main-draw meetings
Kazakhstan Age 32 Right-Handed 172 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Katerina Siniakova #102 6-0 6-4 Zarina Diyas #52 Match data Jan 8, 2016* R16 Shenzhen International modern equivalent WTA 250 Hard
Zarina Diyas #152 6-2 6-4 Katerina Siniakova #173 Match data Jan 15, 2014* R128 Australian Open Grand Slam 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
Zarina Diyas #437 #31 1,495 1,756 99 128 43.6% 0 0 0 0 1 1

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 Zarina Diyas
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 2009 2–1 66.7% #242 1,528 0 0
16 2010 2–4 33.3% #172 1,539 0 0
17 2013 0–1 0.0% #171 1,488 0 0 2011 1–4 20.0% #227 1,504 0 0
18 2014 4–6 40.0% #84 1,521 0 0 2012 0–2 0.0% #264 1,477 0 0
19 2015 13–20 39.4% #102 1,522 0 0 2013 1–1 50.0% #163 1,477 0 0
20 2016 18–18 50.0% #52 1,765 0 0 2014 20–14 58.8% #33 1,682 0 0
21 2017 23–23 50.0% #49 1,695 0 2 2015 20–27 42.6% #52 1,560 0 0
22 2018 26–22 54.2% #31 1,779 0 2 2016 8–12 40.0% #150 1,552 0 0
23 2019 20–28 41.7% #58 1,674 0 2 2017 7–4 63.6% #66 1,665 0 1
24 2020 6–13 31.6% #59 1,701 0 2 2018 13–19 40.6% #89 1,717 0 1
25 2021 22–17 56.4% #49 1,801 0 2 2019 7–13 35.0% #77 1,704 0 1
26 2022 17–19 47.2% #49 1,762 0 3 2020 5–6 45.5% #80 1,659 0 1
27 2023 22–17 56.4% #45 1,807 0 5 2021 13–17 43.3% #102 1,688 0 1
28 2024 26–26 50.0% #45 1,802 0 5 2022 0–1 0.0% #1031 1,680 0 1
29 2025 17–20 45.9% #48 1,883 0 5
30 2026 14–16 46.7% #42 1,820 0 5 2024 0–2 0.0% #382 1,631 0 1
32 2026 0–1 0.0% #437 1,545 0 1

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 Zarina Diyas
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 %
15 2009 2 1 3 66.7%
16 2010 2 2 4 50.0% 0 2 2 0.0%
17 2013 0 1 1 0.0% 2011 1 4 5 20.0%
18 2014 4 5 9 44.4% 0 1 1 0.0% 2012 0 2 2 0.0%
19 2015 6 12 18 33.3% 4 5 9 44.4% 3 3 6 50.0% 2013 1 1 2 50.0%
20 2016 10 10 20 50.0% 6 5 11 54.5% 2 3 5 40.0% 2014 15 10 25 60.0% 2 2 4 50.0% 3 2 5 60.0%
21 2017 12 14 26 46.2% 10 6 16 62.5% 1 3 4 25.0% 2015 11 17 28 39.3% 3 6 9 33.3% 6 4 10 60.0%
22 2018 17 14 31 54.8% 7 6 13 53.8% 2 2 4 50.0% 2016 6 8 14 42.9% 2 3 5 40.0% 0 1 1 0.0%
23 2019 10 18 28 35.7% 9 7 16 56.3% 1 3 4 25.0% 2017 5 3 8 62.5% 2 1 3 66.7%
24 2020 1 9 10 10.0% 5 4 9 55.6% 2018 9 11 20 45.0% 4 7 11 36.4% 0 1 1 0.0%
25 2021 9 12 21 42.9% 7 3 10 70.0% 6 2 8 75.0% 2019 6 10 16 37.5% 1 1 2 50.0% 0 2 2 0.0%
26 2022 11 11 22 50.0% 6 5 11 54.5% 0 3 3 0.0% 2020 4 3 7 57.1% 1 3 4 25.0%
27 2023 16 14 30 53.3% 0 1 1 0.0% 6 2 8 75.0% 2021 8 10 18 44.4% 4 5 9 44.4% 1 2 3 33.3%
28 2024 17 17 34 50.0% 4 6 10 40.0% 5 3 8 62.5% 2022 0 1 1 0.0%
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% 2024 0 2 2 0.0%
32 2026 0 1 1 0.0%
Career 135 157 292 46.2% 62 58 120 51.7% 31 31 62 50.0% 68 85 153 44.4% 19 30 49 38.8% 12 13 25 48.0%

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 446/476 of Katerina Siniakova's and 217/227 of Zarina Diyas'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 Zarina Diyas
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%
15 —/— 2009 2/3 3.0 2.5 53.3% 69.6% 41.1% 60.7% 64.6% 56.3% 58.9%
16 —/— 2010 6/6 1.8 5.8 57.9% 62.6% 42.3% 41.2% 52.3% 53.9% 40.8%
17 2013 1/1 5.0 11.0 61.3% 56.1% 38.9% 50.0% 71.4% 49.5% 44.6% 2011 5/5 2.6 4.2 61.8% 61.5% 40.9% 48.2% 59.0% 54.1% 40.1%
18 2014 10/10 1.7 4.4 61.7% 63.9% 42.1% 54.2% 38.1% 55.3% 45.6% 2012 2/2 0.0 7.5 42.5% 60.7% 29.5% 23.6% 45.0% 41.7% 43.1%
19 2015 26/33 1.7 5.5 66.1% 62.0% 50.4% 53.7% 47.1% 58.1% 41.4% 2013 2/2 4.0 3.0 68.2% 67.7% 55.4% 61.1% 72.7% 64.6% 35.8%
20 2016 34/37 2.7 4.0 58.7% 63.5% 43.7% 51.7% 50.0% 55.3% 43.5% 2014 32/34 1.6 3.1 68.2% 58.4% 47.3% 49.4% 51.1% 55.1% 45.8%
21 2017 45/46 2.2 3.8 62.4% 61.8% 42.4% 54.6% 49.1% 54.7% 43.6% 2015 41/47 1.2 3.3 71.2% 57.9% 47.0% 48.3% 51.6% 54.7% 44.1%
22 2018 48/48 4.2 4.0 59.3% 64.0% 45.4% 48.7% 46.8% 56.4% 43.2% 2016 20/20 2.6 2.6 70.3% 60.5% 41.6% 48.5% 49.8% 54.9% 43.9%
23 2019 47/48 2.8 2.9 60.4% 62.6% 46.1% 50.1% 46.4% 56.0% 45.3% 2017 11/11 3.3 3.5 68.1% 64.5% 46.2% 53.5% 57.0% 58.7% 45.1%
24 2020 19/19 1.7 3.1 65.8% 55.8% 42.7% 50.3% 46.1% 51.4% 40.6% 2018 32/32 2.2 3.0 67.3% 61.4% 48.3% 52.6% 44.3% 56.7% 42.8%
25 2021 39/39 1.7 5.9 61.3% 64.5% 45.4% 54.1% 55.5% 57.2% 46.6% 2019 20/20 0.9 2.4 69.6% 59.4% 44.8% 45.3% 36.7% 55.0% 42.1%
26 2022 32/36 1.5 4.9 64.5% 58.7% 41.3% 52.7% 50.7% 52.6% 42.8% 2020 11/11 1.6 2.8 74.3% 57.0% 47.6% 53.8% 48.6% 54.4% 44.2%
27 2023 38/39 2.3 5.1 62.6% 62.5% 44.4% 45.2% 43.9% 55.8% 45.8% 2021 29/30 1.5 3.1 67.2% 60.0% 42.6% 48.1% 46.7% 54.3% 41.3%
28 2024 50/52 1.8 5.3 61.6% 63.1% 44.7% 45.5% 51.0% 56.0% 45.9% 2022 1/1 0.0 1.0 70.2% 56.2% 67.7% 66.7% 20.0% 59.6% 33.6%
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% 2024 2/2 0.0 1.5 70.9% 46.7% 31.4% 45.5% 38.8% 42.6% 40.0%
32 —/— 2026 1/1 1.0 3.0 68.3% 61.0% 31.6% 55.6% 20.0% 51.7% 36.4%
Career 446/476 2.3 4.5 61.8% 62.6% 44.4% 51.0% 48.3% 55.6% 44.3% 217/227 1.7 3.1 68.4% 59.8% 45.4% 49.3% 48.4% 55.1% 43.4%

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 Zarina Diyas
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
15 2009 1528 105.5 +0.98 +1.13 1.348 57.6% +48 66.7% +1.00 +0.06
16 2010 1539 114.4 +0.14 -1.62 0.883 47.6% +19 40.0% -1.00 1–2 (33%) 3–1 (75%) 100.8 -0.06
17 2013 1489 101.5 -2.26 +1.26 0.882 47.3% 33.3% -1.00 0–1 -0.01 2011 1505 103.6 -1.72 -1.18 0.875 47.5% +17 33.3% -1.08 0–2 +0.16
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 2012 1477 95.3 -2.37 -3.62 0.739 42.4% 0.0% -3.50 +0.11
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 2013 1478 100.3 -1.99 -0.40 1.012 50.7% 40.0% +0.60 1–0 0–2 +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 2014 1683 130.0 -0.83 +1.87 1.021 50.5% -29 -121 -28 57.5% +0.52 7–2 (78%) 7–4 (64%) 111.0 +0.75
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 2015 1561 125.0 -2.62 +2.02 0.975 49.5% -15 -26 +133 47.0% -0.32 3–9 (25%) 4–5 (44%) 91.8 +1.00
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 2016 1553 119.4 -0.44 +0.63 0.974 49.5% +1 -18 42.6% -0.34 3–4 (43%) 1–3 (25%) 98.7 +0.38
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 2017 1665 121.5 +1.12 +0.16 1.091 52.1% +6 +15 57.7% +0.73 3–1 (75%) 1–3 (25%) 102.1 +0.69
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 2018 1718 138.2 -0.01 -0.24 0.989 49.8% +12 -125 44.9% -0.07 4–5 (44%) 2–4 (33%) 97.3 -2.35
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 2019 1704 128.4 -1.13 -1.09 0.937 48.5% +30 44.2% -0.58 0–5 (0%) 0–1 -0.02
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 2020 1660 115.9 -0.51 +0.34 0.969 49.6% +68 -136 44.8% -0.24 4–3 (57%) 1–4 (20%) 98.0 -0.43
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 2021 1688 125.7 -1.93 -1.44 0.902 47.7% +47 -117 -89 43.8% -0.62 6–2 (75%) 2–1 (67%) 105.9 -1.46
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 2022 1681 107.4 -0.79 +5.23 0.833 45.9% 33.3% -1.67 0–1 1–1 -0.23
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 2024 1631 100.1 -0.16 -2.90 0.697 41.4% 0.0% -3.25 +0.15
31 2025 1549 101.2
32 2026 1546 107.0 -0.57 -1.69 0.752 43.7% 0.0% -3.00 -0.12
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 1756 131.4 -1.07 +0.30 0.966 49.3% +8 -81 +46 46.2% -0.25 32–36 (47%) 22–29 (43%) 97.4 -0.47

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.