Keisuke Saitoh vs Kokoro IsomuraM25 Sapporo Round of 32

M25 Sapporo · ITF · Round of 32
#672ATP
25 yrs · 163 cm · Left-handed
Last 10 · pre-match
LWWLLWWWLW
2 — 0
Sets
Wednesday, 9 September 2026 ·
hard
#539ATP
1206ELO
1176Hard ELO
23 yrs · 175 cm · Right-handed
Last 10 · pre-match
LWLWWWWLWW
Saitoh K.
6-4 6-1
Isomura K.
Saitoh K.
662
Isomura K.
410

Keisuke Saitoh defeated Kokoro Isomura 6-4, 6-1 in the Round of 32 at the M25 Sapporo hard court tournament. Saitoh hit one ace and no double faults, while Isomura had none of either. Both players converted 100 and 50 percent of break points, respectively, and each won two service breaks.

Generated automatically from Umpiry match data.

Key context

Head to head

11
DateTournamentRoundSurfaceWinnerScore
2024-09-06M25 Sapporo 1QFhardKokoro Isomura6-2 6-4
2024-08-01M25 Taipei 1R16hardKeisuke Saitoh6-3 6-4

Statistics

This season
1st serve in·Slight edge
56%
66%
1st serve points won·Slight edge
56%
66%
2nd serve points won·Slight edge
48%
53%
Service points won·Slight edge
53%
62%
Return points won·Slight edge
42%
36%
Break points saved·Even
56%
58%
Aces / match·Slight edge
0.5
1.8
Double faults / match·Dominant
4.0
2.2

Averages over each player's completed matches in the selected window (2 vs 14). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 00:50 UTC
Saitoh K.54%
Isomura K.46%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Toss-up · Too close to call

Calibrated model (out-of-sample validated). Probability is a statistical estimate, not a certainty. How it works.

Umpiry Score

Pre-match
4.8
Heavy underdogUmpiry ScorePartial · surface data limited
6.0
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
4.8Split 1–1 on hard
H2H
5.2Split 1–1 on hard
0.81 of last 10 on hard
Surface form
4.85 of last 10 on hard
0.0Lost last 3
Win streak
0.0
Fatigue & Travel
3-set count
7.01 three-setter in 14 days
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.

Freshness

Recent load
Freshness·
89

Isomura K.: 9 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Weather
19°CDrizzle
Wind 21 km/hHumidity 69%

Draw