Yeon Woo Ku vs Storm HunterUS Open Qualifying Round of 64

US Open · WTA · Qualifying Round of 64
#179WTA
1519ELO
1500Hard ELO
23 yrs
Last 10 · pre-match
WLWLLWWWWL
1 — 2
Sets
Wednesday, 26 August 2026 ·
hard
Court 12 · 2nd on
#169WTA
1681ELO
1668Hard ELO
32 yrs · 166 cm · Left-handed
Last 10 · pre-match
WWLWLWWLWL
Woo Ku Y.
6-4 6-7 0-6
Hunter S.
Woo Ku Y.
66601
Hunter S.
47862

Storm Hunter defeated Yeon Woo Ku in the US Open qualifying round 64. The match ended with a score of 4-6, 7-6, 6-0 in favor of Hunter. Key stats included 2 aces and 5 double faults for Hunter, compared to 3 aces and 9 double faults for Ku.

Key context

Head to head

No previous meetings on record.

Statistics

This season
1st serve in·Even
66%
66%
1st serve points won·Slight edge
59%
64%
2nd serve points won·Even
46%
48%
Service points won·Slight edge
54%
59%
Return points won·Slight edge
47%
42%
Break points saved·Even
52%
52%
Aces / match·Slight edge
1.6
2.6
Double faults / match·Clear edge
3.1
4.0

Averages over each player's completed matches in the selected window (25 vs 31). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Slight edge
50
43
Break points saved·Dominant
51
5
Break points won·Clear edge
86
68
Deciding sets·Slight edge
63
69
Tiebreaks·
92

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

Win Probability

Pre-match · updated 00:50 UTC
Woo Ku Y.49%
Hunter S.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.

Umpiry Score

Pre-match
5.1
Clear underdogUmpiry Score
  • Back-to-back day (−0.5)
6.0
Even matchUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
2.9Hard Elo 1500
Surface ELO
7.1+168 Hard Elo edge
3.0Overall Elo 1519
ELO gap
7.0Overall Elo 1681
5.0No prior meetings
H2H
5.0No prior meetings
7.48 of last 10 on hard
Surface form
5.76 of last 10 on hard
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play 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.

Freshness

Recent load
Freshness·Slight edge
74
67

Woo Ku Y.: 2 days rest · 2 matches, 48 games (7d) · Hunter S.: 1 day rest · 3 matches, 61 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Weather
23°CClear
Wind 9 km/hHumidity 78%

Draw