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

Antonia Ruzic vs Lulu Sun H2H: 0-1

Lulu Sun holds a 1–0 lead over Antonia Ruzic in their WTA head-to-head. Across 1 main-draw meeting, Lulu Sun leads 1–0 on hard courts. Most recently, Lulu Sun won the 2025 Cincinnati Open 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.

Antonia Ruzic
Croatia Age 23 Right-Handed 166 cm / 5'5"
H2H
0 – 1
1 main-draw meetings
Lulu Sun
New Zealand Age 25 Left-Handed 174 cm / 5'9"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Lulu Sun #97 6-4 6-4 Antonia Ruzic #94 Match data Aug 8, 2025 R128 Cincinnati Open WTA 1000 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
Antonia Ruzic #85 #50 1,130 1,801 23 31 42.6% 0 0 0 0 0 0
Lulu Sun #128 #39 1,379 1,812 26 38 40.6% 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 Antonia Ruzic Lulu Sun
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
21 2024 3–2 60.0% #142 1,562 0 0 2022 2–3 40.0% #297 1,532 0 0
22 2025 8–10 44.4% #70 1,751 0 0 — — — — — — —
23 2026 12–19 38.7% #85 1,682 0 0 2024 11–9 55.0% #40 1,724 0 0
24 — — — — — — — 2025 13–21 38.2% #90 1,797 0 0
25 — — — — — — — 2026 0–5 0.0% #128 1,626 0 0

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 Antonia Ruzic Lulu Sun
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 %
21 2024 3 2 5 60.0% — — — — — — — — 2022 2 2 4 50.0% 0 1 1 0.0% — — — —
22 2025 5 7 12 41.7% 2 2 4 50.0% 1 1 2 50.0% — — — — — — — — — — — — —
23 2026 9 11 20 45.0% 2 4 6 33.3% 1 4 5 20.0% 2024 7 7 14 50.0% 0 1 1 0.0% 4 1 5 80.0%
24 — — — — — — — — — — — — — 2025 10 14 24 41.7% 2 4 6 33.3% 1 3 4 25.0%
25 — — — — — — — — — — — — — 2026 0 4 4 0.0% 0 1 1 0.0% — — — —
Career — 17 20 37 45.9% 4 6 10 40.0% 2 5 7 28.6% — 19 27 46 41.3% 2 7 9 22.2% 5 4 9 55.6%

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 45/55 of Antonia Ruzic's and 55/64 of Lulu Sun'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 Antonia Ruzic Lulu Sun
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%
21 2024 5/5 0.2 2.8 66.0% 57.2% 39.6% 45.4% 54.6% 51.0% 43.3% 2022 5/5 1.6 4.0 59.6% 58.4% 39.9% 43.9% 41.5% 51.2% 43.8%
22 2025 13/18 1.3 2.1 63.9% 61.4% 50.4% 46.6% 43.4% 57.4% 41.3% — —/— — — — — — — — — —
23 2026 27/32 0.9 3.4 67.0% 55.0% 43.2% 50.0% 45.8% 50.8% 40.9% 2024 19/20 5.9 3.5 57.7% 72.4% 52.1% 60.6% 27.3% 63.7% 36.2%
24 — —/— — — — — — — — — — 2025 27/34 4.7 3.1 55.8% 68.7% 48.3% 57.8% 41.0% 59.5% 39.0%
25 — —/— — — — — — — — — — 2026 4/5 2.3 2.5 57.6% 69.1% 47.5% 64.7% 30.0% 59.3% 32.8%
Career — 45/55 0.9 3.0 65.9% 57.1% 44.9% 48.5% 46.1% 52.7% 41.3% — 55/64 4.7 3.3 56.9% 69.1% 48.8% 58.0% 35.5% 60.2% 38.0%

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 Antonia Ruzic Lulu Sun
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
17 — — — — — — — — — — — — — — — — 2018 1479 97.0 — — — — — — — — — — — — —
18 2021 1488 96.0 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
19 2022 1495 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
20 2023 1512 — — — — — — — — — — — — — — 2021 1486 — — — — — — — — — — — — — —
21 2024 1563 106.7 -1.62 -1.12 0.885 47.3% +22 — — 54.5% -0.36 1–0 — — +0.34 2022 1533 104.2 -1.71 +0.26 0.897 47.6% +31 — — 40.0% -1.00 — 2–1 (67%) — +0.37
22 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 2023 1536 — — — — — — — — — — — — — —
23 2026 1682 132.1 -4.20 -0.72 0.832 46.1% +11 -49 +26 38.7% -0.77 8–5 (62%) 0–5 (0%) 101.6 -1.19 2024 1725 127.2 +4.52 -4.14 0.997 49.7% -9 — +60 50.0% -0.17 5–1 (83%) 6–2 (75%) 107.8 +1.05
24 — — — — — — — — — — — — — — — — 2025 1797 134.7 +1.69 -2.38 0.964 48.9% +33 -346 -106 38.2% -0.62 5–3 (63%) 4–5 (44%) 101.2 -0.46
25 — — — — — — — — — — — — — — — — 2026 1626 108.0 +0.31 -3.47 0.805 45.3% +130 — — 9.1% -2.36 0–1 0–2 — -0.16
Career — 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 -1.37 — 1813 126.4 +2.26 -2.83 0.955 48.8% +28 -346 -14 39.6% -0.65 10–5 (67%) 12–10 (55%) 105.6 +1.25

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.