Claire Liu vs Ella SeidelGuangzhou Quarter-final

Guangzhou · WTA · Quarter-final
#111WTA
1669ELO
1635Hard ELO
26 yrs · 170 cm · Right-handed
Last 10 · pre-match
WWLLWWWWWL
2 — 1
Sets
Monday, 20 October 2025
hard
#99WTA
1616ELO
1614Hard ELO
21 yrs · 176 cm · Right-handed
Last 10 · pre-match
LLLLWLLLWW
Liu C.
4-6 6-0 6-4
Seidel E.
Liu C.
4662
Seidel E.
6041

Claire Liu defeated Ella Seidel 4-6 6-0 6-4 in the Guangzhou quarter-final on hard. The upset overturned the form book — Ella Seidel came in ranked #99, leading the head-to-head 1–0, defending last year's round of 32. Claire Liu claimed a first win over Ella Seidel in two meetings, narrowing the head-to-head to 1–1.

Key context

Head to head

01
DateTournamentRoundSurfaceWinnerScore
2026-06-06s HertogenboschSFgrassElla Seidel7.7-6.5 6-3

Serve vs return

This season
Liu C.serving73% hold

wins 60% of points on serve vs Seidel E.

Seidel E.serving71% hold

wins 59% of points on serve vs Liu C.

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

Serve & return on hard

Liu C.Seidel E.
Serve
20
Return
9

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
67%
58%
1st serve points won·Slight edge
61%
67%
2nd serve points won·Even
44%
45%
Service points won·Even
56%
58%
Return points won·Even
45%
42%
Break points saved·Even
55%
56%
Aces / match·Slight edge
2.9
3.6
Double faults / match·Clear edge
3.1
4.1

Averages over each player's completed matches in the selected window (62 vs 91). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Slight edge
61
52
Break points saved·Clear edge
64
77
Break points won·Slight edge
78
70
Deciding sets·Dominant
79
40
Tiebreaks·Clear edge
67
89

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

Umpiry Score

Pre-match
5.9
Even matchUmpiry Score
6.6
Marginal edgeUmpiry Score
  • Extended break: 26 days (−0.3)
Form & Matchup
4.6+21 Hard Elo edge
Surface ELO
5.4Hard Elo 1614
4.3Overall Elo 1669
ELO gap
5.7Overall Elo 1616
0.0
H2H
10.0
6.5
Surface form
7.1
0.0Lost last 2
Win streak
Fatigue & Travel
Prev. match
8.0
Context
5.0
Defending pts
6.0

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
75
98

Liu C.: 1 day rest · 2 matches, 37 games (7d) · Seidel E.: 13 days rest · 1 match (14d). Higher means fresher. About

Conditions

Court speed
Fastbig serves, short points
SlowFast