Ann Li vs Donna Vekic — US Open Round of 64

US Open · WTA · Round of 64
Ann Li
USA29
Ann Li
#30WTA
1807ELO
1746Hard ELO
$837kYTD
26 yrs · 170 cm · Right-handed
Last 10
WLWWWLWLWL
—
Sets
Wednesday, 2 September 2026 ·
hard
Court 13 · 2nd on
Donna Vekic
CRO
Donna Vekic
#36WTA
1807ELO
1736Hard ELO
$732kYTD
30 yrs · 179 cm · Right-handed
Last 10
WLLLLLLWWW
Li A.
vs
Vekic D.

Ann Li faces Donna Vekic in the US Open round of 64 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 15:50 UTC
Li A.49%
Vekic D.51%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

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 2 days of rest and 74 games in 14d, vs Donna Vekic's 3 and 57.
  • Serve & return: Ann Li brings the bigger serve (Serve Rating 50), Donna Vekic the stronger return game (Return Rating 23).
  • Surface form: Ann Li 4 of 5, Donna Vekic 1 of 5 on hard recently — Ann Li the sharper of late.

Common opponents

Last 12 months
7 common opponents · Li A. 6–6 · Vekic D. 2–5
Both won · different surfaces (Clay × Grass)▾
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Umpiry Score

Pre-match
Li A.
6.7
Slight advantageUmpiry Score
Vekic D.
6.1
Even matchUmpiry Score
Form & Matchup
5.1+10 Hard Elo edge
Surface ELO
4.9Hard Elo 1736
5.0Overall Elo 1806
ELO gap
5.0Overall Elo 1807
5.0First meeting on hard
H2H
5.0First meeting on hard
6.46 of last 10 on hard
Surface form
4.45 of last 10 on hard
Fatigue & Travel
3-set count
4.02 three-setters in 14 days
Context
6.0Reached the last 16 here last year
Defending pts
6.0Reached the R64 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 38 matches

Statistics

This season
Li A.Vekic D.
1st serve in·Even
60%
60%
1st serve points won·Even
68%
68%
2nd serve points won·Even
45%
47%
Service points won·Even
59%
60%
Return points won·Even
42%
43%
Break points saved·Even
59%
58%
Aces / match·Clear edge
5.4
3.2
Double faults / match·Dominant
2.4
4.0

Averages over each player's completed matches in the selected window (34 vs 38). ATP, WTA & Challenger.

Serve vs return

This season
Li A.serving77% hold

wins 61% of points on serve vs Vekic D.

Vekic D.serving80% hold

wins 63% of points on serve vs Li A.

Even serve battle

Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About

Clutch

Under pressure
Li A.Vekic D.
Clutch Rating·Slight edge
42
37
Break points saved·Slight edge
27
35
Break points won·Clear edge
79
91
Deciding sets·Dominant
71
45
Tiebreaks·Slight edge
20
13

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Freshness

Recent load
Li A.Vekic D.
Freshness·Even
74
78

Li A.: 2 days rest · 3 matches, 59 games (7d) · Vekic D.: 3 days rest · 1 match, 27 games (7d). Higher means fresher. About

When it starts

2nd on Court 13 · Starting at 3:40 PM · 1 match still to finish ahead

  1. 1MShapovalov D. v Van Assche L.
  2. 2WLi A. v Vekic D.This match
  3. 3MVacherot V. v Majchrzak K.

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather forecast
21°COvercast
Wind 4 km/hHumidity 84%

Head to head

1–0
DateTournamentRoundSurfaceWinnerScore
2021-09-27Chicago 2R64hardAnn Li6-3 6-1

Draw