Juncheng Shang vs Ethan Quinn — Chicago CH Quarter-final

Chicago CH · CHALLENGER · Quarter-final
CHN4
Juncheng Shang
#274ATP
1746ELO
1698Hard ELO
21 yrs · 180 cm · Left-handed
Last 10 · pre-match
LLLWLWWLWW
2 — 0
Sets
Monday, 10 July 2023
hard
Ethan Quinn
USA
Ethan Quinn
#47ATP
1804ELO
1767Hard ELO
$724kYTD
$2.1MCAREER
22 yrs · 191 cm · Right-handed
Last 10 · pre-match
LWLWWWWLWL
Shang J.
7-5 6-1
Quinn E.
Shang J.
762
Quinn E.
510

Juncheng Shang defeated Ethan Quinn 7-5 6-1 in the Chicago CH quarter-final on hard. The upset overturned the form book — Ethan Quinn came in ranked #47.

Key context

  • Match story: Juncheng Shang came through a tight passage before pulling clear — 7–5 6–1.

Head to head

No previous meetings on record.

Serve vs return

This season
Shang J.serving85% hold

wins 66% of points on serve vs Quinn E.

Quinn E.serving86% hold

wins 67% of points on serve vs Shang J.

Serve-dominated — both hold easily, expect tiebreaks

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

Shang J.Quinn E.
34
Serve
37
18
Return
21

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

Statistics

This season
Shang J.Quinn E.
1st serve in·Even
63%
62%
1st serve points won·Even
71%
72%
2nd serve points won·Even
53%
50%
Service points won·Even
64%
64%
Return points won·Even
36%
37%
Break points saved·Even
64%
62%
Aces / match·Clear edge
4.2
6.2
Double faults / match·Slight edge
2.4
2.8

Averages over each player's completed matches in the selected window (143 vs 186). ATP, WTA & Challenger.

Clutch

Under pressure
Shang J.Quinn E.
Clutch Rating·Slight edge
76
71
Break points saved·Even
96
95
Break points won·Dominant
45
19
Deciding sets·Even
94
98
Tiebreaks·Slight edge
86
97

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

Umpiry Score

Pre-match
Shang J.
6.0
Even matchUmpiry Score
Quinn E.
5.8
Slight disadvantageUmpiry Score
Form & Matchup
4.1Hard Elo 1698
Surface ELO
5.9+69 Hard Elo edge
4.1Overall Elo 1746
ELO gap
5.9Overall Elo 1804
5.0No prior meetings
H2H
5.0
4.6
Surface form
2.7
0.0
Win streak
0.0Lost last 2
Fatigue & Travel
8.8
Minutes 14d
8.4
7.0
3-set count
7.0
7.0
Prev. match
6.0
7.0
Surface transition
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
Shang J.Quinn E.
Freshness·
—
97

Quinn E.: 13 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast
Final
Michelsen A.
Shimizu Y.
7-56-2
Semi-finals
Shimizu Y.
Mpetshi Perricard G.[7]
7-657-65
Michelsen A.
Shang J.[4]
4-67-56-3
Quarter-finals
Mpetshi Perricard G.[7]
Lajal M.
7-634-67-66
Shimizu Y.
Jung J.
6-27-5
Shang J.[4]
Quinn E.
7-56-1
Michelsen A.
Nishikori K.
7-6133-66-1
R16
Jung J.
Basavareddy N.
3-67-656-2
Michelsen A.
Kovacevic A.[2]
6-46-2
Mpetshi Perricard G.[7]
Walton A.
7-636-4
Shang J.[4]
Marchenko I.
7-56-3
Quinn E.
Schoolkate T.
4-66-36-2
Shimizu Y.
Chung Y.
6-35-76-3
Lajal M.
Uchiyama Y.
4-66-26-2
Nishikori K.
Mansouri S.
7-616-4
R32
Uchiyama Y.
Gomez E.[3]
6-26-1
Kovacevic A.[2]
Zhukayev B.
6-36-4
Michelsen A.
Tu L.
7-636-757-65
Shang J.[4]
Kukushkin M.
7-653-2
Nishikori K.
Galarneau A.[6]
7-636-1
Quinn E.
Escobedo E.
7-660-66-4
Marchenko I.
Sweeny D.
6-46-4
Walton A.
Spizzirri E.
6-26-2
Lajal M.
Jasika O.
6-16-4
Basavareddy N.
Johnson S.[8]
6-32-66-4
Jung J.
Tomic B.
7-56-3
Mansouri S.
Mccabe J.
3-66-46-4
Schoolkate T.
Celikbilek A.[5]
6-47-62
Shimizu Y.
Zhu E.
6-26-4
Chung Y.
Shelbayh A.
6-36-4
Mpetshi Perricard G.[7]
Sandgren T.
6-46-4