Kokoro Isomura vs Dong Ju Kim — Seoul CH Qualifying Round 1

Seoul CH · CHALLENGER · Qualifying Round 1
JPN10
Kokoro Isomura
#557ATP
1206ELO
1176Hard ELO
23 yrs · 175 cm · Right-handed
Last 10 · pre-match
LLLWLWLWLL
2 — 0
Sets
Monday, 27 October 2025
hard
KOR
Dong Ju Kim
#713ATP
24 yrs
Last 10 · pre-match
LLLLL
Isomura K.
6-4 6-3
Kim D.
Isomura K.
662
Kim D.
430

Kokoro Isomura defeated Dong Ju Kim 6-4 6-3 in the Seoul CH qualifying round 1 on hard.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Isomura K.serving79% hold

wins 63% of points on serve vs Kim D.

Kim D.serving75% hold

wins 61% of points on serve vs Isomura K.

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. Small sample — read as indicative. About

Statistics

This season
Isomura K.Kim D.
1st serve in·Slight edge
64%
58%
1st serve points won·Clear edge
68%
50%
2nd serve points won·Slight edge
49%
57%
Service points won·Slight edge
61%
53%
Return points won·Even
38%
37%
Break points saved·Dominant
61%
17%
Aces / match·Slight edge
2.0
1.0
Double faults / match·Dominant
3.1
1.0

Averages over each player's completed matches in the selected window (41 vs 1). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Isomura K.
6.3
Marginal edgeUmpiry ScorePartial · surface data limited
Kim D.
4.2
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 2373 days (−1.5)
Form & Matchup
5.0No prior meetings
H2H
5.0
5.1
Surface form
0.0
Win streak
0.0Lost last 4
Fatigue & Travel
9.0
Minutes 14d
8.0
Prev. match
Context
6.0
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.

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Q2
Park U.
Nam J.
6-46-1
Sekulic P.[5]
Zhu E.
7-56-3
Imamura M.[6]
Vrbensky M.
6-47-63
Mochizuki Y.[11]
Chung Y.
6-46-4
Samrej K.[2]
Kumasaka T.
6-26-1
Isomura K.[10]
Takahashi Y.[4]
6-26-4
Q1
Samrej K.[2]
Lee D.
6-16-3
Nam J.
Oberleitner N.[3]
6-34-66-1
Chung Y.
Uchida K.[1]
4-66-36-4
Isomura K.[10]
Kim D.
6-46-3
Mochizuki Y.[11]
Bravo A.
6-26-2
Kumasaka T.
Zhukov M.[7]
3-66-46-1
Park U.
Huang T.[8]
4-66-37-5
Takahashi Y.[4]
Ramanathan R.
6-17-65
Sekulic P.[5]
Matsuda R.
7-53-67-5
Zhu E.
Agafonov E.[9]
6-15-77-66
Imamura M.[6]
Uesugi K.
6-36-3
Vrbensky M.
Palan D.[12]
6-27-5