Katie Volynets vs Hanna ChangSeoul Qualifying Round 1

Seoul · CHALLENGER · Qualifying Round 1
#93WTA
1786ELO
1736Hard ELO
24 yrs · 170 cm · Right-handed
Last 10 · pre-match
LWWWWLWWLW
0 — 0
Sets
Monday, 15 September 2025
hard
#325WTA
1354ELO
1314Hard ELO
28 yrs · Right-handed
Last 10 · pre-match
LWLWWWWWWW
Volynets K.
6-3 6-1
Chang H.
Volynets K.
662
Chang H.
31

Katie Volynets defeated Hanna Chang 6-3 6-1 in the Seoul qualifying round 1 on hard. The result followed the form book — Katie Volynets came in ranked #93.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Volynets K.serving47% hold

wins 49% of points on serve vs Chang H.

Chang H.serving42% hold

wins 47% of points on serve vs Volynets K.

Baseline battle — serve is shaky, expect plenty of breaks

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

Volynets K.Chang H.
8
Serve
49
Return

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

Statistics

This season
1st serve in·Clear edge
78%
54%
1st serve points won·Slight edge
58%
63%
2nd serve points won·Even
45%
46%
Service points won·Even
55%
55%
Return points won·Even
48%
46%
Break points saved·Even
55%
51%
Aces / match·Slight edge
1.2
2.0
Double faults / match·Dominant
1.1
5.0

Averages over each player's completed matches in the selected window (92 vs 71). ATP, WTA & Challenger.

Clutch

Under pressure
Clutch Rating·Dominant
67
0
Break points saved·Dominant
75
15
Break points won·Dominant
97
67
Deciding sets·Dominant
70
13
Tiebreaks·
56

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

Umpiry Score

Pre-match
7.4
Dominant favouriteUmpiry Score
4.3
Heavy underdogUmpiry Score
Form & Matchup
9.8+421 Hard Elo edge
Surface ELO
0.2Hard Elo 1314
9.8Overall Elo 1786
ELO gap
0.2Overall Elo 1354
5.0No prior meetings
H2H
5.0
5.4
Surface form
2.4
7.03-match win streak
Win streak
Fatigue & Travel
3-set count
4.0
Surface transition
6.0
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·
61

Volynets K.: 2 days rest · 5 matches, 105 games (7d). Higher means fresher. About

Conditions

Court speed
Mediumbalanced pace
SlowFast