H2H data updated: 2026-11-01 00:00 UTC

Naomi Osaka vs Tamara Zidansek H2H: 1-0

Naomi Osaka holds a 1–0 lead over Tamara Zidansek in their WTA head-to-head. Across 1 main-draw meeting, Naomi Osaka leads 1–0 on hard courts. Most recently, Naomi Osaka won the 2019 Australian Open second round 6-2 6-4.

Japan Age 29 Right-Handed 180 cm / 5'11"
H2H
1 – 0
1 main-draw meetings
Slovenia Age 28 Right-Handed 168 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Naomi Osaka #4 6-2 6-4 Tamara Zidansek #78 Match data Jan 17, 2019* R64 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
Naomi Osaka #18 #1 7,985 2,178 253 139 64.5% 4 2 0 1 0 7
Tamara Zidansek #141 #22 1,991 1,804 80 91 46.8% 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 Naomi Osaka Tamara Zidansek
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2014 2–2 50.0% #260 1,530 0 0 — — — — — — —
17 2015 0–2 0.0% #144 1,509 0 0 — — — — — — —
18 2016 20–13 60.6% #48 1,700 0 0 — — — — — — —
19 2017 19–22 46.3% #68 1,695 0 0 2017 0–1 0.0% #132 1,483 0 0
20 2018 40–20 66.7% #5 1,902 1 2 2018 7–7 50.0% #79 1,632 0 0
21 2019 40–13 75.5% #3 2,046 2 5 2019 15–18 45.5% #65 1,646 0 0
22 2020 16–3 84.2% #3 2,111 3 6 2020 6–9 40.0% #87 1,615 0 0
23 2021 20–8 71.4% #13 2,039 4 7 2021 25–18 58.1% #30 1,727 0 1
24 2022 15–11 57.7% #42 1,933 4 7 2022 13–19 40.6% #85 1,595 0 1
25 — — — — — — — 2023 6–8 42.9% #103 1,677 0 1
26 2024 21–17 55.3% #57 1,872 4 7 2024 4–6 40.0% #181 1,638 0 1
27 2025 30–15 66.7% #16 1,959 4 7 2025 0–1 0.0% #161 1,592 0 1
28 2026 30–13 69.8% #18 2,030 4 7 2026 4–4 50.0% #141 1,648 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 Naomi Osaka Tamara Zidansek
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 %
16 2014 2 2 4 50.0% — — — — — — — — — — — — — — — — — — — — —
17 2015 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
18 2016 18 11 29 62.1% 2 2 4 50.0% — — — — — — — — — — — — — — — — —
19 2017 13 13 26 50.0% 2 5 7 28.6% 4 4 8 50.0% 2017 — — — — 0 1 1 0.0% — — — —
20 2018 29 13 42 69.0% 5 4 9 55.6% 6 3 9 66.7% 2018 2 4 6 33.3% 5 3 8 62.5% — — — —
21 2019 30 7 37 81.1% 9 4 13 69.2% 1 2 3 33.3% 2019 4 8 12 33.3% 9 8 17 52.9% 2 2 4 50.0%
22 2020 16 3 19 84.2% — — — — — — — — 2020 5 6 11 45.5% 1 3 4 25.0% — — — —
23 2021 18 5 23 78.3% 2 3 5 40.0% — — — — 2021 9 12 21 42.9% 16 5 21 76.2% 0 1 1 0.0%
24 2022 14 9 23 60.9% 1 2 3 33.3% — — — — 2022 8 9 17 47.1% 3 6 9 33.3% 2 4 6 33.3%
25 — — — — — — — — — — — — — 2023 2 5 7 28.6% 4 3 7 57.1% — — — —
26 2024 13 9 22 59.1% 5 5 10 50.0% 3 3 6 50.0% 2024 3 4 7 42.9% 1 2 3 33.3% — — — —
27 2025 24 9 33 72.7% 3 3 6 50.0% 3 3 6 50.0% 2025 0 1 1 0.0% — — — — — — — —
28 2026 15 8 23 65.2% 7 3 10 70.0% 8 2 10 80.0% 2026 1 3 4 25.0% 3 1 4 75.0% — — — —
Career — 192 91 283 67.8% 36 31 67 53.7% 25 17 42 59.5% — 34 52 86 39.5% 42 32 74 56.8% 4 7 11 36.4%

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 355/391 of Naomi Osaka's and 165/170 of Tamara Zidansek'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 Naomi Osaka Tamara Zidansek
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%
16 2014 4/4 4.3 1.8 55.4% 65.3% 44.8% 33.6% 49.2% 55.5% 41.0% — —/— — — — — — — — — —
18 2016 33/33 4.8 2.5 55.2% 69.6% 48.3% 54.8% 51.5% 59.9% 43.8% — —/— — — — — — — — — —
19 2017 40/41 4.2 2.5 55.9% 67.2% 45.7% 45.6% 46.3% 57.5% 40.2% 2017 1/1 1.0 4.0 68.3% 46.5% 55.0% 50.0% 75.0% 49.2% 38.9%
20 2018 55/60 4.7 2.1 59.7% 71.1% 48.8% 55.8% 55.7% 61.9% 45.3% 2018 14/14 0.6 3.5 65.4% 57.7% 42.3% 44.7% 51.2% 52.5% 48.6%
21 2019 50/53 7.0 1.9 60.2% 73.1% 47.9% 56.3% 51.0% 63.1% 44.4% 2019 33/33 1.2 2.8 68.5% 58.2% 42.0% 53.9% 44.6% 53.1% 42.8%
22 2020 18/19 7.8 2.5 59.0% 76.0% 53.0% 64.2% 43.2% 66.5% 42.5% 2020 15/15 0.7 3.2 68.3% 59.5% 47.5% 55.0% 48.5% 55.6% 43.3%
23 2021 21/28 6.5 2.8 53.5% 76.2% 52.2% 59.4% 52.6% 64.9% 43.6% 2021 41/43 1.2 3.7 64.9% 62.8% 45.6% 49.4% 50.9% 56.7% 45.0%
24 2022 22/26 5.7 2.5 51.4% 76.9% 47.4% 61.9% 44.1% 62.7% 41.4% 2022 30/32 1.3 3.6 63.1% 61.5% 42.8% 49.8% 48.5% 54.3% 41.4%
25 — —/— — — — — — — — — — 2023 14/14 0.5 3.7 68.0% 54.9% 43.2% 53.3% 54.1% 51.1% 46.1%
26 2024 36/38 6.5 2.7 54.0% 75.1% 51.1% 56.3% 50.1% 64.0% 40.4% 2024 10/10 0.4 4.5 63.5% 57.8% 38.8% 46.4% 36.2% 51.2% 40.2%
27 2025 34/46 6.6 2.9 56.9% 74.7% 49.3% 52.5% 53.6% 63.5% 45.2% — —/— — — — — — — — — —
28 2026 42/43 5.8 2.5 58.6% 72.8% 49.3% 54.5% 46.9% 63.1% 42.2% 2026 7/8 1.6 5.3 58.7% 62.2% 43.3% 51.5% 59.2% 54.1% 48.8%
Career — 355/393 5.8 2.4 57.0% 72.6% 48.9% 54.8% 50.2% 62.3% 43.0% — 165/171 1.0 3.5 65.6% 59.8% 43.6% 50.7% 48.9% 54.1% 44.0%

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 Naomi Osaka Tamara Zidansek
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
16 2014 1531 113.6 +0.17 +0.57 0.923 48.4% +17 — — 45.5% 0.00 2–1 (67%) 1–0 — -0.19 — — — — — — — — — — — — — — — —
17 2015 1509 102.0 — — — — — — — 20.0% -1.80 0–1 — — 0.00 — — — — — — — — — — — — — — — —
18 2016 1700 133.1 +3.18 +0.66 1.091 51.9% -10 -101 — 60.0% +0.65 4–5 (44%) 5–6 (45%) 101.0 +0.04 — — — — — — — — — — — — — — — —
19 2017 1696 132.1 +1.30 -2.12 0.947 48.9% +6 -84 -46 45.8% -0.18 5–4 (56%) 2–5 (29%) 97.8 -1.51 2017 1484 98.5 -0.11 -0.64 0.766 44.4% — — — 0.0% -2.00 — — — +0.15
20 2018 1902 160.7 +5.21 +2.94 1.190 53.8% +17 -236 -168 67.5% +1.35 4–3 (57%) 4–4 (50%) 99.8 -2.09 2018 1632 116.1 -1.96 +2.38 1.024 50.4% -117 +98 — 55.2% +0.24 1–2 (33%) 1–1 — -0.28
21 2019 2047 154.9 +5.80 +1.63 1.202 53.6% +30 -229 -350 68.4% +1.22 17–2 (89%) 10–4 (71%) 116.1 +0.63 2019 1646 114.7 -2.77 -0.58 0.912 48.3% -139 +156 -12 43.8% -0.58 9–7 (56%) 3–2 (60%) 102.4 -0.08
22 2020 2112 156.0 +6.66 +1.24 1.267 54.0% +18 — — 71.7% +1.61 9–1 (90%) 3–5 (38%) 103.1 -0.43 2020 1615 128.8 -0.74 +0.40 0.974 49.8% -67 +144 — 47.2% -0.06 1–5 (17%) 3–2 (60%) 96.0 -0.45
23 2021 2040 154.1 +6.00 +1.08 1.240 54.0% +82 -235 — 72.2% +1.43 3–3 (50%) 2–2 (50%) 95.5 -0.04 2021 1727 132.9 +0.46 +0.75 1.038 50.9% -162 +230 — 54.1% +0.16 9–5 (64%) 7–2 (78%) 108.1 +0.90
24 2022 1934 147.9 +4.77 +0.02 1.112 52.0% +91 -156 — 57.4% +0.81 4–1 (80%) 0–2 — -0.62 2022 1596 120.1 -1.76 -0.99 0.907 47.9% +16 +122 -18 41.7% -0.61 6–6 (50%) 6–6 (50%) 99.0 +1.49
25 — — — — — — — — — — — — — — — — 2023 1678 119.9 -2.90 +0.63 0.942 48.6% -80 +130 — 48.5% -0.64 1–4 (20%) 4–1 (80%) 99.0 -0.10
26 2024 1873 146.8 +5.89 -1.17 1.122 52.2% +76 -98 -157 56.3% +0.71 3–5 (38%) 4–8 (33%) 94.1 -2.05 2024 1638 108.1 -2.73 -2.13 0.825 45.6% -61 +156 — 36.0% -1.32 4–1 (80%) 2–0 — +0.29
27 2025 1959 153.2 +4.80 +1.97 1.240 54.1% +53 -121 -236 65.1% +1.10 11–9 (55%) 10–6 (63%) 102.1 +1.00 2025 1593 104.5 — — — — — — — 0.0% -3.00 — — — -0.05
28 2026 2030 160.5 +5.23 +0.68 1.144 52.8% -1 -84 -91 66.3% +1.11 9–3 (75%) 9–4 (69%) 109.8 -0.99 2026 1649 113.8 -0.88 +1.22 1.064 51.4% -28 +99 — 47.4% 0.00 2–1 (67%) 1–3 (25%) 101.0 -0.38
Career — 2179 158.0 +4.73 +0.79 1.142 52.6% +34 -153 -148 62.7% +0.95 71–38 (65%) 50–46 (52%) 107.7 -1.65 — 1804 125.3 -1.44 +0.10 0.959 49.2% -86 +160 -16 46.7% -0.34 33–31 (52%) 27–17 (61%) 105.9 +0.89

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.