Jumpei Yamasaki vs Uisung Park — Yokohama CH Qualifying Round 1

Yokohama CH · CHALLENGER · Qualifying Round 1
JPN
Jumpei Yamasaki
#1011ATP
29 yrs · 180 cm · Right-handed
Last 10 · pre-match
LWWLLLLWWL
0 — 0
Sets
Retired
Monday, 17 November 2025
hard
KOR7
Uisung Park
#694ATP
25 yrs · 175 cm · Right-handed
Last 10 · pre-match
LLLWLWLWWL
Yamasaki J.
6-4 0-0
Park U.
Yamasaki J.
60–
Park U.
40–

Jumpei Yamasaki advanced when Uisung Park retired 6-4 0-0 in the Yokohama CH qualifying round 1.

Head to head

No previous meetings on record.

Serve vs return

This season
Yamasaki J.serving76% hold

wins 61% of points on serve vs Park U.

Park U.serving78% hold

wins 62% of points on serve vs Yamasaki J.

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
Yamasaki J.Park U.
1st serve in·Clear edge
70%
55%
1st serve points won·Slight edge
65%
74%
2nd serve points won·Slight edge
46%
51%
Service points won·Slight edge
59%
64%
Return points won·Even
42%
38%
Break points saved·Slight edge
71%
64%
Aces / match·Dominant
3.3
7.5
Double faults / match·Dominant
1.5
3.5

Averages over each player's completed matches in the selected window (4 vs 19). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Yamasaki J.
3.8
Heavy underdogUmpiry ScorePartial · surface data limited
  • Injury return: 1113 days (−1.5)
Park U.
6.3
Marginal edgeUmpiry ScorePartial · surface data limited
Form & Matchup
5.0No prior meetings
H2H
5.0
3.4
Surface form
6.0
0.0Lost last 2
Win streak
0.0
Fatigue & Travel
Minutes 14d
6.4
3-set count
0.0
Prev. match
8.0
Context
5.0
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
Mediumbalanced pace
SlowFast
Q2
Yamasaki J.
Nakagawa N.[6]
6-36-1
Vrbensky M.[4]
Loof T.
6-36-3
Ribeiro Marcondes I.[1]
Nam J.[9]
6-46-4
Ichikawa T.[11]
Matsuda R.[2]
7-56-3
Kusuhara Y.[10]
Matsuda K.[3]
6-726-16-2
Taguchi R.
Kikuchi Y.[5]
4-66-36-3
Q1
Kikuchi Y.[5]
Uesugi K.
0-66-26-2
Vrbensky M.[4]
Ramanathan R.
7-56-4
Loof T.
Nakagawa S.[12]
6-746-26-4
Taguchi R.
Fukuda S.[8]
6-776-47-65
Ribeiro Marcondes I.[1]
Furusho K.
6-36-4
Nam J.[9]
Trouve N.
6-06-1
Matsuda R.[2]
Shick B.
7-646-4
Ichikawa T.[11]
Sanada S.
6-46-4
Matsuda K.[3]
Nakamura R.
6-46-1
Yamasaki J.
Park U.[7]
6-40-0