Uisung Park vs Kokoro IsomuraZhangjiagang Qualifying Round of 32

Zhangjiagang · CHALLENGER · Qualifying Round of 32
#753ATP
25 yrs · 175 cm · Right-handed
Last 10
LLLLLLWLWL
Sets
Sunday, 30 August 2026 ·
hard
COURT 6 · 3rd on
#553ATP
1206ELO
1176Hard ELO
23 yrs · 175 cm · Right-handed
Last 10
LWWWWLWWLL
Park U.
vs
Isomura K.

Uisung Park faces Kokoro Isomura in the Zhangjiagang qualifying round of 32 on hard. Kokoro Isomura holds the paper edge — ranked #553.

Win Probability

Pre-match · updated 20:50 UTC
Park U.61%
Isomura K.39%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Slight edge · Park U. narrowly ahead

Calibrated model · 63% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.

Key context

  • Surface form: Uisung Park 2 of 10, Kokoro Isomura 6 of 10 on hard recently — Kokoro Isomura the sharper of late.
  • Fatigue load: Kokoro Isomura carries the heavier recent load — 1 three-setter to 0 in the past fortnight.

Common opponents

Last 12 months
No common opponents in the last 12 months.
Includes tour-level, 125s, qualifying and team events (⚑). Walkovers excluded. Describes past results in different contexts — not a prediction.

Umpiry Score

Pre-match
5.2
Clear underdogUmpiry ScorePartial · surface data limited
6.0
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
3.0Trails 0–1 on hard
H2H
7.0Leads 1–0 on hard
2.02 of last 10 on hard
Surface form
4.34 of last 10 on hard
0.0Lost last 3
Win streak
0.0
Context
5.0Didn't play here last year
Defending pts
5.0Didn't play here last year

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.

7 vs 14 matches

Statistics

This season
1st serve in·Slight edge
58%
66%
1st serve points won·Slight edge
72%
66%
2nd serve points won·Even
49%
53%
Service points won·Even
62%
62%
Return points won·Even
34%
36%
Break points saved·Slight edge
65%
58%
Aces / match·Dominant
7.3
1.8
Double faults / match·Clear edge
3.1
2.2

Averages over each player's completed matches in the selected window (7 vs 14). ATP, WTA & Challenger.

Serve vs return

This season
Park U.serving83% hold

wins 65% of points on serve vs Isomura K.

Isomura K.serving85% hold

wins 66% of points on serve vs Park U.

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

Freshness

Recent load
Freshness·Even
100
100

Park U.: 20 days rest · Isomura K.: 18 days rest. Higher means fresher. About

When it starts

3rd on COURT 6 · Followed By · 2 matches still to finish ahead

  1. 1Charlton J. v Kumasaka T.
  2. 2Moriya H. v Lomakin G.
  3. 3Park U. v Isomura K.This match

Conditions

Court speed
Fastbig serves, short points
SlowFast
Weather forecast
27°CDrizzle
Wind 13 km/hHumidity 92%

Head to head

No previous meetings on record.

Draw