Masamichi Imamura vs Yunseong ChungM25 Sapporo Round of 32

M25 Sapporo · ITF · Round of 32
#398ATP
1328ELO
1297Hard ELO
$23kYTD
$134kCAREER
27 yrs · 178 cm · Right-handed
Last 10 · pre-match
LLWWWLWWLW
1 — 2
Sets
Tuesday, 8 September 2026 ·
hard
#1097ATP
28 yrs · 178 cm · Right-handed
Last 10 · pre-match
LWLWLWWWLW
Imamura M.
3-6 6-3 3-6
Chung Y.
Imamura M.
3631
Chung Y.
6362

Yunseong Chung defeated Masamichi Imamura 6-3, 3-6, 6-3 in the Round of 32 at the M25 Sapporo tournament. Chung hit 4 aces and 6 double faults, while converting 80 percent of his break points and notching zero service breaks. Imamura had 1 ace, 3 double faults, converted 43 percent of his break points, and had three service breaks.

Generated automatically from Umpiry match data.

Key context

  • Match story: Yunseong Chung closed it out in three sets, 6–3 3–6 6–3.

Head to head

01
DateTournamentRoundSurfaceWinnerScore
2024-03-20M15 Nishi-Tokyo 1R32hardYunseong Chung7-6(5) 6-2

Statistics

This season
1st serve in·Even
65%
67%
1st serve points won·Even
66%
68%
2nd serve points won·Slight edge
50%
59%
Service points won·Slight edge
60%
65%
Return points won·Slight edge
42%
36%
Break points saved·Even
51%
50%
Aces / match·Clear edge
2.1
4.5
Double faults / match·Clear edge
1.7
0.5

Averages over each player's completed matches in the selected window (25 vs 2). ATP, WTA & Challenger.

Win Probability

Pre-match · updated 02:50 UTC
Imamura M.32%
Chung Y.68%
Toss-up
50–58%
Slight edge
58–67%
Clear favourite
67–80%
Strong favourite
80%+

Clear favourite · Chung Y. clearly ahead, but no certainty

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

Umpiry Score

Pre-match
5.8
Slight disadvantageUmpiry ScorePartial · surface data limited
5.2
Clear underdogUmpiry ScorePartial · surface data limited
Form & Matchup
3.0Trails 0–1 on hard
H2H
7.0Leads 1–0 on hard
4.75 of last 10 on hard
Surface form
3.14 of last 10 on hard
0.0Lost last 2
Win streak
0.0Lost last 3
Fatigue & Travel
7.01 three-setter in 14 days
3-set count
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·
96

Imamura M.: 12 days rest · 1 match (14d). Higher means fresher. About

Conditions

Weather
23°CShowers
Wind 3 km/hHumidity 85%

Draw