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

Simona Waltert vs Zarina Diyas H2H: 0-1

Zarina Diyas holds a 1–0 lead over Simona Waltert in their WTA head-to-head. Across 1 main-draw meeting, Zarina Diyas leads 1–0 on clay. Most recently, Zarina Diyas won the 2021 Lausanne first round 6-4 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.

Simona Waltert
Switzerland Age 25 Right-Handed 176 cm / 5'9"
H2H
0 – 1
1 main-draw meetings
Zarina Diyas
Kazakhstan Age 32 Right-Handed 172 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Zarina Diyas #102 6-4 6-4 Simona Waltert #235 Match data Jul 15, 2021* R32 Lausanne 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
Simona Waltert #89 #81 880 1,715 13 25 34.2% 0 0 0 0 0 0
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 Simona Waltert 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 — — — — — — — 2011 1–4 20.0% #227 1,504 0 0
18 2019 1–1 50.0% #281 1,490 0 0 2012 0–2 0.0% #264 1,477 0 0
19 — — — — — — — 2013 1–1 50.0% #163 1,477 0 0
20 2021 0–1 0.0% #219 1,473 0 0 2014 20–14 58.8% #33 1,682 0 0
21 2022 3–2 60.0% #125 1,547 0 0 2015 20–27 42.6% #52 1,560 0 0
22 2023 1–4 20.0% #167 1,488 0 0 2016 8–12 40.0% #150 1,552 0 0
23 2024 1–3 25.0% #174 1,514 0 0 2017 7–4 63.6% #66 1,665 0 1
24 2025 3–2 60.0% #87 1,692 0 0 2018 13–19 40.6% #89 1,717 0 1
25 2026 4–12 25.0% #89 1,648 0 0 2019 7–13 35.0% #77 1,704 0 1
26 — — — — — — — 2020 5–6 45.5% #80 1,659 0 1
27 — — — — — — — 2021 13–17 43.3% #102 1,688 0 1
28 — — — — — — — 2022 0–1 0.0% #1031 1,680 0 1
30 — — — — — — — 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 Simona Waltert 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 — — — — — — — — — — — — — 2011 1 4 5 20.0% — — — — — — — —
18 2019 — — — — 1 1 2 50.0% — — — — 2012 0 2 2 0.0% — — — — — — — —
19 — — — — — — — — — — — — — 2013 1 1 2 50.0% — — — — — — — —
20 2021 — — — — 0 1 1 0.0% — — — — 2014 15 10 25 60.0% 2 2 4 50.0% 3 2 5 60.0%
21 2022 — — — — 3 2 5 60.0% — — — — 2015 11 17 28 39.3% 3 6 9 33.3% 6 4 10 60.0%
22 2023 0 1 1 0.0% 1 2 3 33.3% 0 1 1 0.0% 2016 6 8 14 42.9% 2 3 5 40.0% 0 1 1 0.0%
23 2024 0 1 1 0.0% 1 2 3 33.3% — — — — 2017 5 3 8 62.5% — — — — 2 1 3 66.7%
24 2025 1 1 2 50.0% 2 1 3 66.7% — — — — 2018 9 11 20 45.0% 4 7 11 36.4% 0 1 1 0.0%
25 2026 2 5 7 28.6% 2 6 8 25.0% 0 1 1 0.0% 2019 6 10 16 37.5% 1 1 2 50.0% 0 2 2 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%
28 — — — — — — — — — — — — — 2022 0 1 1 0.0% — — — — — — — —
30 — — — — — — — — — — — — — 2024 0 2 2 0.0% — — — — — — — —
32 — — — — — — — — — — — — — 2026 0 1 1 0.0% — — — — — — — —
Career — 3 8 11 27.3% 10 15 25 40.0% 0 2 2 0.0% — 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 33/33 of Simona Waltert'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 Simona Waltert 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 — —/— — — — — — — — — — 2011 5/5 2.6 4.2 61.8% 61.5% 40.9% 48.2% 59.0% 54.1% 40.1%
18 2019 2/2 3.5 3.0 60.5% 62.4% 44.0% 35.4% 35.6% 54.2% 41.5% 2012 2/2 0.0 7.5 42.5% 60.7% 29.5% 23.6% 45.0% 41.7% 43.1%
19 — —/— — — — — — — — — — 2013 2/2 4.0 3.0 68.2% 67.7% 55.4% 61.1% 72.7% 64.6% 35.8%
20 2021 1/1 4.0 5.0 66.2% 60.0% 21.7% 44.4% 75.0% 47.1% 37.5% 2014 32/34 1.6 3.1 68.2% 58.4% 47.3% 49.4% 51.1% 55.1% 45.8%
21 2022 5/5 0.6 6.6 66.9% 62.0% 47.4% 57.2% 33.5% 57.3% 44.3% 2015 41/47 1.2 3.3 71.2% 57.9% 47.0% 48.3% 51.6% 54.7% 44.1%
22 2023 5/5 1.0 4.8 67.9% 53.8% 41.3% 21.9% 38.0% 49.8% 45.8% 2016 20/20 2.6 2.6 70.3% 60.5% 41.6% 48.5% 49.8% 54.9% 43.9%
23 2024 4/4 0.8 4.5 64.7% 55.0% 46.6% 43.2% 61.5% 51.5% 44.0% 2017 11/11 3.3 3.5 68.1% 64.5% 46.2% 53.5% 57.0% 58.7% 45.1%
24 — —/— — — — — — — — — — 2018 32/32 2.2 3.0 67.3% 61.4% 48.3% 52.6% 44.3% 56.7% 42.8%
25 2026 16/16 2.1 4.3 62.3% 56.8% 41.3% 54.2% 49.8% 51.8% 40.9% 2019 20/20 0.9 2.4 69.6% 59.4% 44.8% 45.3% 36.7% 55.0% 42.1%
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%
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%
32 — —/— — — — — — — — — — 2026 1/1 1.0 3.0 68.3% 61.0% 31.6% 55.6% 20.0% 51.7% 36.4%
Career — 33/38 1.7 4.7 64.1% 57.3% 42.4% 47.0% 46.8% 52.3% 42.5% — 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 Simona Waltert 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 2017 1483 97.1 — — — — — — — — — — — — — 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 2018 1472 94.1 — — — — — — — — — — — — — 2011 1505 103.6 -1.72 -1.18 0.875 47.5% +17 — — 33.3% -1.08 0–2 — — +0.16
18 2019 1490 99.3 -0.76 +2.72 0.905 47.5% — — — 0.0% -3.00 — — — -0.19 2012 1477 95.3 -2.37 -3.62 0.739 42.4% — — — 0.0% -3.50 — — — +0.11
19 2020 1473 — — — — — — — — — — — — — — 2013 1478 100.3 -1.99 -0.40 1.012 50.7% — — — 40.0% +0.60 1–0 0–2 — +0.31
20 2021 1473 101.2 -2.42 -2.32 0.708 42.7% — — — 0.0% -2.00 — — — -0.05 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 2022 1547 116.2 -0.45 -0.41 1.038 50.8% — +46 — 53.8% +0.54 2–1 (67%) 1–3 (25%) — -0.07 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 2023 1489 110.6 -2.35 -0.50 0.913 47.4% — +90 — 30.8% -1.08 1–2 (33%) — — -0.02 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 2024 1515 108.9 -1.73 -1.85 0.907 47.8% — +54 — 25.0% -1.38 — 0–1 — +0.32 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 2025 1692 114.8 — — — — — +115 — 63.6% +0.54 0–1 1–1 — -0.11 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 2026 1649 127.2 -2.08 -1.17 0.847 46.3% -101 +150 — 28.9% -1.21 3–3 (50%) 2–3 (40%) 100.4 -1.18 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 — — — — — — — — — — — — — — — — 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 — — — — — — — — — — — — — — — — 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 — — — — — — — — — — — — — — — — 2022 1681 107.4 -0.79 +5.23 0.833 45.9% — — — 33.3% -1.67 0–1 1–1 — -0.23
30 — — — — — — — — — — — — — — — — 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 -1.68 0.752 43.7% — — — 0.0% -3.00 — — — -0.12
Career — 1716 120.2 -1.76 -0.83 0.890 47.3% -101 +100 — 35.6% -0.78 6–7 (46%) 4–8 (33%) 97.9 -3.42 — 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.