Su Jeong Jang vs Katie BoulterHua Hin Round of 32

Hua Hin · WTA · Round of 32
#657WTA
1384ELO
1355Hard ELO
31 yrs · Right-handed
Last 10 · pre-match
LLLWWLLLWW
2 — 1
Sets
Monday, 30 January 2023
hard
#67WTA
1831ELO
1795Hard ELO
29 yrs · 180 cm · Right-handed
Last 10 · pre-match
LLLWWWLWLW
Jang S.
6-3 4-6 6-3
Boulter K.
Jang S.
6462
Boulter K.
3631

Su Jeong Jang defeated Katie Boulter 6-3 4-6 6-3 in the Hua Hin round of 32 on hard. The upset overturned the form book — Katie Boulter came in ranked #67.

Key context

  • Match story: Su Jeong Jang closed it out in three sets, 6–3 4–6 6–3.

Head to head

No previous meetings on record.

Serve vs return

This season
Jang S.serving67% hold

wins 57% of points on serve vs Boulter K.

Boulter K.serving75% hold

wins 61% of points on serve vs Jang S.

Serve advantage — Boulter K.

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

Serve & return on hard

Jang S.Boulter K.
Serve
21
Return
67

Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About

Statistics

This season
1st serve in·Slight edge
68%
58%
1st serve points won·Slight edge
61%
68%
2nd serve points won·Even
43%
45%
Service points won·Even
55%
58%
Return points won·Even
43%
44%
Break points saved·Even
53%
56%
Aces / match·Slight edge
2.5
3.2
Double faults / match·Dominant
3.3
5.3

Averages over each player's completed matches in the selected window (68 vs 156). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
13
87
Break points saved·Dominant
35
86
Break points won·Clear edge
76
93
Deciding sets·Dominant
14
94
Tiebreaks·
88

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

Umpiry Score

Pre-match
2.8
Heavy underdogUmpiry Score
  • Extended break: 133 days (−1.5)
5.4
Clear underdogUmpiry Score
  • Extended break: 83 days (−1.2)
Form & Matchup
0.0Hard Elo 1355
Surface ELO
10.0+440 Hard Elo edge
0.0Overall Elo 1384
ELO gap
10.0Overall Elo 1831
5.0No prior meetings
H2H
5.0
4.2
Surface form
2.8
0.0
Win streak
0.0Lost last 2
Context
5.0
Defending pts
5.0

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·
99

Boulter K.: 14 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast