Jason Jung vs Zdenek Kolar — Kobe CH Round of 32

Kobe CH · CHALLENGER · Round of 32
Jason Jung
TPE
Jason Jung
#896ATP
1420ELO
1389Hard ELO
37 yrs · 180 cm · Right-handed
Last 10 · pre-match
LWWWLLLLLL
2 — 0
Sets
Monday, 13 November 2023
hard
Zdenek Kolar
CZE8
Zdenek Kolar
#153ATP
1506ELO
1432Hard ELO
$121kYTD
$1.3MCAREER
29 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLLWWLLLW
Jung J.
6-4 7-6
Kolar Z.
Jung J.
6772
Kolar Z.
4640

Jason Jung defeated Zdenek Kolar 6-4 7-6 in the Kobe CH round of 32 on hard. The upset overturned the form book — Zdenek Kolar came in ranked #153, defending last year's round of 16.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Jung J.serving72% hold

wins 59% of points on serve vs Kolar Z.

Kolar Z.serving72% hold

wins 59% of points on serve vs Jung 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
Jung J.Kolar Z.
1st serve in·Even
65%
64%
1st serve points won·Even
67%
66%
2nd serve points won·Even
50%
49%
Service points won·Even
61%
60%
Return points won·Even
40%
41%
Break points saved·Even
56%
58%
Aces / match·Even
2.6
2.1
Double faults / match·Slight edge
2.6
3.0

Averages over each player's completed matches in the selected window (74 vs 194). ATP, WTA & Challenger.

Clutch

Under pressure
Jung J.Kolar Z.
Clutch Rating·Slight edge
21
26
Break points saved·Slight edge
64
53
Break points won·Clear edge
8
28
Deciding sets·Dominant
21
58
Tiebreaks·Dominant
69
8

Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About

Umpiry Score

Pre-match
Jung J.
6.5
Marginal edgeUmpiry ScorePartial · surface data limited
Kolar Z.
5.2
Clear underdogUmpiry ScorePartial · surface data limited
Form & Matchup
10.0No prior meetings
H2H
0.0
5.1
Surface form
2.6
0.0Lost last 2
Win streak
0.0Lost last 4
Fatigue & Travel
8.8
Minutes 14d
9.3
7.0
3-set count
7.0
Prev. match
9.0
Context
6.0
Defending pts
6.0

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
Jung J.Kolar Z.
Freshness·Clear edge
78
90

Jung J.: 5 days rest · 3 matches, 61 games (7d) · Kolar Z.: 5 days rest · 1 match, 19 games (7d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Final
Ajdukovic D.
Shimabukuro S.[5]
6-46-2
Semi-finals
Ajdukovic D.
Wu T.
7-55-76-3
Shimabukuro S.[5]
Nardi L.[3]
6-26-2
Quarter-finals
Ajdukovic D.
Rodionov J.[1]
7-654-66-1
Shimabukuro S.[5]
Mochizuki S.[2]
6-36-3
Nardi L.[3]
Polmans M.[6]
6-26-4
Wu T.
Jung J.
6-46-3
R16
Nardi L.[3]
Holmgren A.
6-33-67-5
Rodionov J.[1]
Shimizu Y.
6-12-66-1
Polmans M.[6]
Blancaneaux G.
6-47-63
Shimabukuro S.[5]
Hong S.
6-47-64
Mochizuki S.[2]
Bai Y.
6-36-2
Wu T.
Hassan B.[4]
6-36-4
Ajdukovic D.
Noguchi R.
6-05-76-3
R32
Rodionov J.[1]
Uchiyama Y.
7-656-4
Noguchi R.
Hsu Y.
6-46-3
Bai Y.
Ivanovski K.
6-14-0
Blancaneaux G.
Martin A.
6-46-4
Holmgren A.
Echargui M.
6-46-3
Mochizuki S.[2]
Fonio G.
4-66-26-3
Hassan B.[4]
Mccabe J.
0-66-36-2
Jung J.
Kolar Z.[8]
6-47-64
Hong S.
Jasika O.
6-36-1
Nardi L.[3]
Ichikawa T.
7-56-2
Polmans M.[6]
Fenty A.
6-27-5
Wu T.
Sweeny D.
6-37-62
Ajdukovic D.
Efstathiou M.
6-26-2
Shimabukuro S.[5]
Uchida K.
6-17-65
Shimizu Y.
Ito T.
7-666-3