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

Naomi Osaka vs Antonia Ruzic H2H: 1-0

Naomi Osaka holds a 1–0 lead over Antonia Ruzic 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 2026 Australian Open first round 6-3 3-6 6-4.

Japan Age 28 Right-Handed 180 cm / 5'11"
H2H
1 0
1 main-draw meetings
Croatia Age 23 Right-Handed 166 cm / 5'5"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Naomi Osaka #17 6-3 3-6 6-4 Antonia Ruzic #65 Match data Jan 20, 2026 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
Naomi Osaka #13 #1 7,985 2,179 251 136 64.9% 4 2 0 1 1 8
Antonia Ruzic #85 #50 1,130 1,801 23 31 42.6% 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 Naomi Osaka Antonia Ruzic
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2014 2–2 50.0% #260 1,530 0 0
17 2015 0–2 0.0% #144 1,508 0 0
18 2016 20–13 60.6% #48 1,700 0 0
19 2017 19–22 46.3% #68 1,695 0 0
20 2018 40–20 66.7% #5 1,902 1 2
21 2019 40–13 75.5% #3 2,047 2 5 2024 3–2 60.0% #142 1,562 0 0
22 2020 16–3 84.2% #3 2,111 3 6 2025 8–10 44.4% #70 1,751 0 0
23 2021 20–8 71.4% #13 2,040 4 7 2026 12–19 38.7% #85 1,682 0 0
24 2022 15–11 57.7% #42 1,933 4 7
26 2024 21–17 55.3% #57 1,872 4 7
27 2025 31–14 68.9% #16 1,965 4 8
28 2026 27–11 71.1% #13 2,052 4 8

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 Antonia Ruzic
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%
20 2018 29 13 42 69.0% 5 4 9 55.6% 6 3 9 66.7%
21 2019 30 7 37 81.1% 9 4 13 69.2% 1 2 3 33.3% 2024 3 2 5 60.0%
22 2020 16 3 19 84.2% 2025 5 7 12 41.7% 2 2 4 50.0% 1 1 2 50.0%
23 2021 18 5 23 78.3% 2 3 5 40.0% 2026 9 11 20 45.0% 2 4 6 33.3% 1 4 5 20.0%
24 2022 14 9 23 60.9% 1 2 3 33.3%
26 2024 13 9 22 59.1% 5 5 10 50.0% 3 3 6 50.0%
27 2025 25 8 33 75.8% 3 3 6 50.0% 3 3 6 50.0%
28 2026 12 6 18 66.7% 7 3 10 70.0% 8 2 10 80.0%
Career 190 88 278 68.3% 36 31 67 53.7% 25 17 42 59.5% 17 20 37 45.9% 4 6 10 40.0% 2 5 7 28.6%

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 350/386 of Naomi Osaka's and 45/55 of Antonia Ruzic'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 Antonia Ruzic
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% —/—
20 2018 55/60 4.7 2.1 59.7% 71.1% 48.8% 55.8% 55.7% 61.9% 45.3% —/—
21 2019 50/53 7.0 1.9 60.2% 73.1% 47.9% 56.3% 51.0% 63.1% 44.4% 2024 5/5 0.2 2.8 66.0% 57.2% 39.6% 45.4% 54.6% 51.0% 43.3%
22 2020 18/19 7.8 2.5 59.0% 76.0% 53.0% 64.2% 43.2% 66.5% 42.5% 2025 13/18 1.3 2.1 63.9% 61.4% 50.4% 46.6% 43.4% 57.4% 41.3%
23 2021 21/28 6.5 2.8 53.5% 76.2% 52.2% 59.4% 52.6% 64.9% 43.6% 2026 27/32 0.9 3.4 67.0% 55.0% 43.2% 50.0% 45.8% 50.8% 40.9%
24 2022 22/26 5.7 2.5 51.4% 76.9% 47.4% 61.9% 44.1% 62.7% 41.4% —/—
26 2024 36/38 6.5 2.7 54.0% 75.1% 51.1% 56.3% 50.1% 64.0% 40.4% —/—
27 2025 34/46 6.6 2.9 56.9% 74.7% 49.3% 52.5% 53.6% 63.5% 45.2% —/—
28 2026 37/38 5.9 2.5 58.2% 72.9% 49.6% 52.0% 47.3% 63.2% 42.7% —/—
Career 350/388 5.8 2.4 56.9% 72.6% 48.9% 54.7% 50.3% 62.3% 43.1% 45/54 0.9 3.0 65.9% 57.1% 44.9% 48.5% 46.1% 52.7% 41.3%

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 Naomi Osaka Antonia Ruzic
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 113.5 +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 128.3 +3.18 +0.66 1.091 51.9% -10 -101 60.0% +0.65 4–5 (44%) 5–6 (45%) 101.0 +0.04 2021 1488 96.0
19 2017 1696 132.1 +1.30 -2.12 0.947 48.9% +6 -84 -47 45.8% -0.18 5–4 (56%) 2–5 (29%) 97.8 -1.51 2022 1495
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 2023 1512
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 +0.60 2024 1563 106.7 -1.62 -1.12 0.885 47.3% +22 54.5% -0.36 1–0 +0.34
22 2020 2112 156.0 +6.66 +1.24 1.267 54.0% +19 71.7% +1.61 9–1 (90%) 3–5 (38%) 103.1 -0.42 2025 1752 131.9 -0.73 -0.49 0.969 49.0% -23 -113 42.5% -0.35 3–1 (75%) 2–1 (67%) 104.4 +0.11
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 2026 1682 132.2 -4.20 -0.72 0.832 46.1% +11 -49 +26 38.7% -0.77 8–5 (62%) 0–5 (0%) 101.6 -1.20
24 2022 1934 147.8 +4.77 +0.02 1.112 52.0% +91 -156 57.4% +0.81 4–1 (80%) 0–2 -0.62
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
27 2025 1966 153.3 +4.79 +1.97 1.240 54.1% +59 -128 -253 65.4% +1.12 11–9 (55%) 10–6 (63%) 101.6 +0.92
28 2026 2053 158.1 +5.15 +1.24 1.160 53.0% +1 -104 -111 66.7% +1.12 8–2 (80%) 7–3 (70%) 109.0 -0.80
Career 2179 157.0 +4.72 +0.85 1.143 52.6% +35 -157 -155 62.7% +0.95 70–37 (65%) 48–45 (52%) 107.0 -1.65 1801 129.9 -2.91 -0.70 0.874 47.0% +1 -75 +26 41.3% -0.60 12–6 (67%) 2–6 (25%) 105.9 -1.39

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.