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

Zarina Diyas vs Katarzyna Piter H2H: 1-0

Zarina Diyas holds a 1–0 lead over Katarzyna Piter in their WTA head-to-head. Across 1 main-draw meeting, Zarina Diyas leads 1–0 on clay. Most recently, Zarina Diyas won the 2018 Strasbourg Open first round 6-2 6-4.

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Zarina Diyas
Kazakhstan Age 32 Right-Handed 172 cm / 5'8"
H2H
1 – 0
1 main-draw meetings
Katarzyna Piter
Poland Age 35 Right-Handed 173 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Zarina Diyas #53 6-2 6-4 Katarzyna Piter #384 Match data May 23, 2018* R32 Strasbourg Open 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
Zarina Diyas #437 #31 1,495 1,756 99 128 43.6% 0 0 0 0 1 1
Katarzyna Piter #1,075 #95 648 1,574 8 20 28.6% 0 0 0 0 0 0

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 Zarina Diyas Katarzyna Piter
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 2007 0–1 0.0% #676 1,498 0 0
17 2011 1–4 20.0% #227 1,504 0 0 — — — — — — —
18 2012 0–2 0.0% #264 1,477 0 0 2009 0–1 0.0% #334 1,491 0 0
19 2013 1–1 50.0% #163 1,477 0 0 2010 1–1 50.0% #249 1,505 0 0
20 2014 20–14 58.8% #33 1,682 0 0 — — — — — — —
21 2015 20–27 42.6% #52 1,560 0 0 — — — — — — —
22 2016 8–12 40.0% #150 1,552 0 0 2013 3–2 60.0% #119 1,548 0 0
23 2017 7–4 63.6% #66 1,665 0 1 2014 4–12 25.0% #163 1,472 0 0
24 2018 13–19 40.6% #89 1,717 0 1 — — — — — — —
25 2019 7–13 35.0% #77 1,704 0 1 2016 0–1 0.0% #243 1,466 0 0
26 2020 5–6 45.5% #80 1,659 0 1 — — — — — — —
27 2021 13–17 43.3% #102 1,688 0 1 2018 0–1 0.0% #290 1,471 0 0
28 2022 0–1 0.0% #1031 1,680 0 1 — — — — — — —
30 2024 0–2 0.0% #382 1,631 0 1 2021 0–1 0.0% #518 1,421 0 0
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 Zarina Diyas Katarzyna Piter
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% — — — — 2007 — — — — 0 1 1 0.0% — — — —
17 2011 1 4 5 20.0% — — — — — — — — — — — — — — — — — — — — —
18 2012 0 2 2 0.0% — — — — — — — — 2009 — — — — 0 1 1 0.0% — — — —
19 2013 1 1 2 50.0% — — — — — — — — 2010 — — — — 1 1 2 50.0% — — — —
20 2014 15 10 25 60.0% 2 2 4 50.0% 3 2 5 60.0% — — — — — — — — — — — — —
21 2015 11 17 28 39.3% 3 6 9 33.3% 6 4 10 60.0% — — — — — — — — — — — — —
22 2016 6 8 14 42.9% 2 3 5 40.0% 0 1 1 0.0% 2013 3 2 5 60.0% — — — — — — — —
23 2017 5 3 8 62.5% — — — — 2 1 3 66.7% 2014 1 7 8 12.5% 3 4 7 42.9% 0 1 1 0.0%
24 2018 9 11 20 45.0% 4 7 11 36.4% 0 1 1 0.0% — — — — — — — — — — — — —
25 2019 6 10 16 37.5% 1 1 2 50.0% 0 2 2 0.0% 2016 0 1 1 0.0% — — — — — — — —
26 2020 4 3 7 57.1% 1 3 4 25.0% — — — — — — — — — — — — — — — — —
27 2021 8 10 18 44.4% 4 5 9 44.4% 1 2 3 33.3% 2018 — — — — 0 1 1 0.0% — — — —
28 2022 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
30 2024 0 2 2 0.0% — — — — — — — — 2021 — — — — — — — — 0 1 1 0.0%
32 2026 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
Career — 68 85 153 44.4% 19 30 49 38.8% 12 13 25 48.0% — 4 10 14 28.6% 4 8 12 33.3% 0 2 2 0.0%

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 217/227 of Zarina Diyas's and 24/28 of Katarzyna Piter'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 Zarina Diyas Katarzyna Piter
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% 2007 1/1 0.0 5.0 71.7% 55.8% 41.2% 33.3% 50.0% 51.7% 34.4%
17 2011 5/5 2.6 4.2 61.8% 61.5% 40.9% 48.2% 59.0% 54.1% 40.1% — —/— — — — — — — — — —
18 2012 2/2 0.0 7.5 42.5% 60.7% 29.5% 23.6% 45.0% 41.7% 43.1% 2009 1/1 0.0 4.0 58.6% 17.6% 16.7% 25.0% 0.0% 17.2% 31.7%
19 2013 2/2 4.0 3.0 68.2% 67.7% 55.4% 61.1% 72.7% 64.6% 35.8% 2010 2/2 2.0 6.0 56.8% 58.7% 25.9% 25.0% 73.5% 44.4% 36.2%
20 2014 32/34 1.6 3.1 68.2% 58.4% 47.3% 49.4% 51.1% 55.1% 45.8% — —/— — — — — — — — — —
21 2015 41/47 1.2 3.3 71.2% 57.9% 47.0% 48.3% 51.6% 54.7% 44.1% — —/— — — — — — — — — —
22 2016 20/20 2.6 2.6 70.3% 60.5% 41.6% 48.5% 49.8% 54.9% 43.9% 2013 5/5 0.8 2.6 63.3% 59.2% 48.4% 64.9% 53.1% 54.9% 43.8%
23 2017 11/11 3.3 3.5 68.1% 64.5% 46.2% 53.5% 57.0% 58.7% 45.1% 2014 12/16 1.8 4.4 63.1% 53.8% 40.3% 51.4% 42.0% 49.0% 38.8%
24 2018 32/32 2.2 3.0 67.3% 61.4% 48.3% 52.6% 44.3% 56.7% 42.8% — —/— — — — — — — — — —
25 2019 20/20 0.9 2.4 69.6% 59.4% 44.8% 45.3% 36.7% 55.0% 42.1% 2016 1/1 0.0 4.0 57.7% 50.0% 36.4% 28.6% 33.3% 44.2% 40.0%
26 2020 11/11 1.6 2.8 74.3% 57.0% 47.6% 53.8% 48.6% 54.4% 44.2% — —/— — — — — — — — — —
27 2021 29/30 1.5 3.1 67.2% 60.0% 42.6% 48.1% 46.7% 54.3% 41.3% 2018 1/1 1.0 2.0 57.8% 57.7% 47.4% 0.0% 25.0% 53.3% 27.5%
28 2022 1/1 0.0 1.0 70.2% 56.2% 67.7% 66.7% 20.0% 59.6% 33.6% — —/— — — — — — — — — —
30 2024 2/2 0.0 1.5 70.9% 46.7% 31.4% 45.5% 38.8% 42.6% 40.0% 2021 1/1 3.0 4.0 56.3% 65.0% 41.9% 37.5% 42.9% 54.9% 35.3%
32 2026 1/1 1.0 3.0 68.3% 61.0% 31.6% 55.6% 20.0% 51.7% 36.4% — —/— — — — — — — — — —
Career — 217/227 1.7 3.1 68.4% 59.8% 45.4% 49.3% 48.4% 55.1% 43.4% — 24/28 1.4 4.0 62.0% 54.4% 40.1% 46.5% 44.5% 48.9% 38.6%

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 Zarina Diyas Katarzyna Piter
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 2007 1498 108.9 +0.50 +4.61 0.712 43.0% — — — 0.0% -2.50 — — — -0.18
17 2011 1505 103.6 -1.72 -1.18 0.875 47.5% +17 — — 33.3% -1.08 0–2 — — +0.16 — — — — — — — — — — — — — — — —
18 2012 1477 95.3 -2.37 -3.62 0.739 42.4% — — — 0.0% -3.50 — — — +0.11 2009 1492 93.6 -2.41 -1.70 0.383 25.7% — — — 0.0% -6.00 — — — -0.06
19 2013 1478 100.3 -1.99 -0.40 1.012 50.7% — — — 40.0% +0.60 1–0 0–2 — +0.31 2010 1506 101.0 -1.13 -0.93 0.651 40.4% — — — 40.0% -1.60 1–0 1–0 — +0.16
20 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 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 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 2013 1548 110.2 -0.66 -1.69 0.971 49.7% +15 — — 53.8% +0.08 2–1 (67%) 1–1 — -0.22
23 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 2014 1473 94.4 -4.47 -3.09 0.761 44.1% +3 +81 — 28.9% -1.76 3–3 (50%) 1–3 (25%) — +0.10
24 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 2019 1704 128.4 -1.13 -1.09 0.937 48.5% +30 — — 44.2% -0.58 0–5 (0%) 0–1 — -0.02 2016 1467 92.6 -2.75 -6.59 0.717 41.9% — — — 0.0% -3.50 — — — +0.11
26 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 2017 1449 88.2 — — — — — — — — — — — — —
27 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 2018 1471 98.5 -0.69 -1.43 0.588 39.6% — — — 0.0% -3.00 — — — -0.09
28 2022 1681 107.4 -0.79 +5.23 0.833 45.9% — — — 33.3% -1.67 0–1 1–1 — -0.23 2019 1466 99.7 — — — — — — — — — — — — —
30 2024 1631 100.1 -0.16 -2.90 0.697 41.4% — — — 0.0% -3.25 — — — +0.15 2021 1421 87.4 +0.59 +3.47 0.783 44.2% — — — 33.3% -1.67 0–1 — — -0.20
31 2025 1549 101.2 — — — — — — — — — — — — — 2022 1415 97.0 — — — — — — — — — — — — —
32 2026 1546 107.0 -0.57 -1.69 0.752 43.7% — — — 0.0% -3.00 — — — -0.12 — — — — — — — — — — — — — — — —
35 — — — — — — — — — — — — — — — — 2026 1403 97.4 — — — — — — — — — — — — —
Career — 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 — 1575 92.7 -2.67 -2.04 0.754 43.9% +8 +81 — 31.3% -1.62 6–5 (55%) 3–4 (43%) 102.2 -1.36

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.