Kokoro Isomura vs Yosuke Watanuki — Seoul CH Round of 32

Seoul CH · CHALLENGER · Round of 32
JPN
Kokoro Isomura
#557ATP
1206ELO
1176Hard ELO
23 yrs · 175 cm · Right-handed
Last 10 · pre-match
LLLWLWLWLL
0 — 0
Sets
Retired
Monday, 27 October 2025
hard
Yosuke Watanuki
JPN7
Yosuke Watanuki
#294ATP
1541ELO
1531Hard ELO
28 yrs · 180 cm · Right-handed
Last 10 · pre-match
WWWLLLLLLW
Isomura K.
5-2
Watanuki Y.
Isomura K.
5–
Watanuki Y.
2–

Kokoro Isomura advanced when Yosuke Watanuki retired 5-2 in the Seoul CH round of 32.

Head to head

No previous meetings on record.

Serve vs return

This season
Isomura K.serving80% hold

wins 63% of points on serve vs Watanuki Y.

Watanuki Y.serving82% hold

wins 64% 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. About

Statistics

This season
Isomura K.Watanuki Y.
1st serve in·Slight edge
64%
53%
1st serve points won·Slight edge
68%
75%
2nd serve points won·Even
49%
50%
Service points won·Even
61%
63%
Return points won·Even
38%
37%
Break points saved·Even
61%
59%
Aces / match·Dominant
2.0
8.6
Double faults / match·Clear edge
3.2
4.1

Averages over each player's completed matches in the selected window (41 vs 60). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Isomura K.
4.7
Heavy underdogUmpiry Score
Watanuki Y.
7.3
Strong advantageUmpiry Score
Form & Matchup
0.3Hard Elo 1176
Surface ELO
9.7+354 Hard Elo edge
0.1Overall Elo 1206
ELO gap
9.9Overall Elo 1541
0.0No prior meetings
H2H
10.0
5.1
Surface form
3.3
0.0
Win streak
0.0Lost last 2
Fatigue & Travel
9.0
Minutes 14d
8.0
Prev. match
8.0
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.

Freshness

Recent load
Isomura K.Watanuki Y.
Freshness·
—
86

Watanuki Y.: 7 days rest · 1 match, 17 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Final
Shimabukuro S.
Wong C.[5]
6-46-3
Semi-finals
Wong C.[5]
Zhou Y.
7-624-66-2
Shimabukuro S.
Ymer E.
6-14-66-3
Quarter-finals
Ymer E.
Rodionov J.[4]
6-43-66-2
Zhou Y.
Ferreira Silva F.
7-666-3
Wong C.[5]
Yunchaokete B.[2]
6-36-4
Shimabukuro S.
Samrej K.
6-36-4
R16
Shimabukuro S.
Noguchi R.
6-46-3
Samrej K.
Crawford O.
6-43-66-4
Rodionov J.[4]
Shimizu Y.
2-67-56-4
Ymer E.
Isomura K.
6-26-3
Ferreira Silva F.
Nishioka Y.[3]
6-05-77-65
Wong C.[5]
Hsu Y.
6-47-63
Yunchaokete B.[2]
Huesler M.
6-14-66-1
Zhou Y.
Daniel T.[8]
6-786-36-0
R32
Isomura K.
Watanuki Y.[7]
5-2
Shimabukuro S.
Jasika O.
6-35-77-64
Crawford O.
Rocha H.[6]
6-16-4
Rodionov J.[4]
Sekulic P.
7-646-4
Shimizu Y.
Imamura M.
7-56-4
Ymer E.
Tokuda R.
5-76-16-0
Daniel T.[8]
Uchiyama Y.
7-55-76-2
Zhou Y.
Sin S.
7-606-0
Ferreira Silva F.
Johns G.
6-46-1
Wong C.[5]
Chung H.
6-36-2
Yunchaokete B.[2]
Park U.
7-56-4
Noguchi R.
Duckworth J.[1]
1-67-56-3
Samrej K.
Mochizuki Y.
6-46-3
Hsu Y.
Ajdukovic D.
6-36-4
Huesler M.
Shin W.
6-46-2
Nishioka Y.[3]
Barton H.
6-36-2