Yu Hsiou Hsu vs Yibing WuChicago CH Quarter-final

Chicago CH · CHALLENGER · Quarter-final
#206ATP
1489ELO
1468Hard ELO
27 yrs · 178 cm · Right-handed
Last 10 · pre-match
LLWLWLLWLW
2 — 0
Sets
Monday, 4 August 2025
hard
#102ATP
1743ELO
1741Hard ELO
$472kYTD
$1.9MCAREER
26 yrs · 183 cm · Right-handed
Last 10 · pre-match
LLLLWLLWLW
Hsu Y.
7-6 6-4
Wu Y.
Hsu Y.
7762
Wu Y.
6440

Yu Hsiou Hsu defeated Yibing Wu 7-6 6-4 in the Chicago CH quarter-final on hard. The upset overturned the form book — Yibing Wu came in ranked #102.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Hsu Y.serving74% hold

wins 60% of points on serve vs Wu Y.

Wu Y.serving80% hold

wins 63% of points on serve vs Hsu Y.

Serve advantage — Wu Y.

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

Hsu Y.Wu Y.
Serve
27
Return
26

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
66%
61%
1st serve points won·Even
66%
70%
2nd serve points won·Even
51%
54%
Service points won·Even
61%
64%
Return points won·Even
40%
40%
Break points saved·Even
59%
61%
Aces / match·Slight edge
2.9
3.9
Double faults / match·Even
2.1
2.3

Averages over each player's completed matches in the selected window (80 vs 62). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
36
82
Break points saved·Clear edge
74
94
Break points won·Dominant
4
57
Deciding sets·Dominant
50
97
Tiebreaks·Clear edge
77
97

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

Umpiry Score

Pre-match
6.1
Even matchUmpiry Score
7.2
Strong advantageUmpiry Score
Form & Matchup
1.4Hard Elo 1468
Surface ELO
8.6+272 Hard Elo edge
1.4Overall Elo 1489
ELO gap
8.6Overall Elo 1743
10.0No prior meetings
H2H
0.0
7.1
Surface form
7.6
Win streak
0.0
Fatigue & Travel
2.4
Minutes 14d
3.7
7.0
3-set count
0.0
9.0
Prev. match
6.0
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·Clear edge
100
80

Hsu Y.: 20 days rest · Wu Y.: 3 days rest · 1 match, 28 games (7d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast