Ann Li vs Antonia Ruzic — US Open Round of 128
US Open · WTA · Round of 128
USA29#30WTA
1807ELO
1746Hard ELO
$837kYTD
$3.9MCAREER
26 yrs · 170 cm · Right-handed
Last 10
LWWWLWLWLL
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Sets
Sunday, 30 August 2026 ·
hard
Li A.vs
Ruzic A.
Ann Li faces Antonia Ruzic in the US Open round of 128 on hard. Ann Li holds the paper edge — ranked #30, leading the head-to-head 1–0, defending last year's round of 16.
Win Probability
Pre-match · updated 12:50 UTCLi A.59%
Ruzic A.41%
Toss-up
50–58%
50–58%
Slight edge
58–67%
58–67%
Clear favourite
67–80%
67–80%
Strong favourite
80%+
80%+
Slight edge · Li A. narrowly ahead
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Key context
- Freshness: Ann Li comes in with 0 days of rest and 96 games in 14d, vs Antonia Ruzic's 5 and 19.
- Under pressure: In the tight moments, Antonia Ruzic has rated higher under pressure (Clutch Rating 82 vs 41).
- Surface form: Ann Li 3 of 5, Antonia Ruzic 1 of 5 on hard recently — Ann Li the sharper of late.
Common opponents
Last 12 months9 common opponents · Li A. 5–7 · Ruzic A. 6–5
Ruzic A. better · same surface · ⚠ retirement-shortened match▾
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.
Umpiry Score
Pre-matchForm & Matchup
5.4+29 Hard Elo edge
Surface ELO4.6Hard Elo 1717
5.8Overall Elo 1806
ELO gap4.2Overall Elo 1739
7.0Leads 1–0 on hard
H2H3.0Trails 0–1 on hard
5.45 of last 10 on hard
Surface form3.24 of last 10 on hard
0.0
Win streak0.0Lost last 3
Context
6.0Reached the last 16 here last year
Defending pts6.0Reached the R128 here last year
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
34 vs 37 matches
Statistics
This season1st serve in·Slight edge
60%
66%
1st serve points won·Slight edge
68%
58%
2nd serve points won·Even
45%
47%
Service points won·Slight edge
59%
54%
Return points won·Even
42%
43%
Break points saved·Even
59%
56%
Aces / match·Dominant
5.4
1.6
Double faults / match·Clear edge
2.4
3.2
Averages over each player's completed matches in the selected window (34 vs 37). ATP, WTA & Challenger.
Serve vs return
This seasonServe advantage — Li A.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Conditions
Court speed
Medium-fastrewards aggression
SlowFast
Weather forecast
26°COvercast
Wind 12 km/hHumidity 79%