Zdenek Kolar vs Gauthier Onclin — Ostrava CH Quarter-final

Ostrava CH · CHALLENGER · Quarter-final
Zdenek Kolar
CZE
Zdenek Kolar
#153ATP
1506ELO
1485Clay ELO
$121kYTD
$1.3MCAREER
29 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLLWWLLLW
2 — 1
Sets
Monday, 24 April 2023
clay
Gauthier Onclin
BEL
Gauthier Onclin
#169ATP
1567ELO
1496Clay ELO
$99kYTD
$616kCAREER
25 yrs · 180 cm · Right-handed
Last 10 · pre-match
LWLWLLWWWL
Kolar Z.
6-2 2-6 6-4
Onclin G.
Kolar Z.
6262
Onclin G.
2641

Zdenek Kolar defeated Gauthier Onclin 6-2 2-6 6-4 in the Ostrava CH quarter-final on clay. The result followed the form book — Zdenek Kolar came in ranked #153, defending last year's quarter-final.

Key context

  • Match story: Zdenek Kolar closed it out in three sets, 6–2 2–6 6–4.

Head to head

No previous meetings on record.

Serve vs return

This season
Kolar Z.serving63% hold

wins 55% of points on serve vs Onclin G.

Onclin G.serving61% hold

wins 54% of points on serve vs Kolar Z.

Baseline battle — serve is shaky, expect plenty of breaks

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
Kolar Z.Onclin G.
1st serve in·Even
64%
61%
1st serve points won·Even
66%
66%
2nd serve points won·Even
49%
49%
Service points won·Even
60%
59%
Return points won·Even
41%
41%
Break points saved·Even
58%
60%
Aces / match·Even
2.1
1.6
Double faults / match·Even
3.0
2.8

Averages over each player's completed matches in the selected window (194 vs 159). ATP, WTA & Challenger.

Clutch

Under pressure
Kolar Z.Onclin G.
Clutch Rating·Clear edge
26
46
Break points saved·Dominant
53
79
Break points won·Slight edge
28
17
Deciding sets·Clear edge
58
74
Tiebreaks·Dominant
8
50

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

Umpiry Score

Pre-match
Kolar Z.
6.0
Even matchUmpiry Score
Onclin G.
6.5
Marginal edgeUmpiry Score
Form & Matchup
4.7Clay Elo 1485
Surface ELO
5.3+12 Clay Elo edge
4.1Overall Elo 1506
ELO gap
5.9Overall Elo 1567
5.0No prior meetings
H2H
5.0
4.4
Surface form
6.3
0.0
Win streak
Fatigue & Travel
9.3
Minutes 14d
5.6
7.0
3-set count
0.0
9.0
Prev. match
6.0
Context
7.0
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
Kolar Z.Onclin G.
Freshness·Slight edge
90
80

Kolar Z.: 5 days rest · 1 match, 19 games (7d) · Onclin G.: 5 days rest · 2 matches, 59 games (7d). Higher means fresher. About

Conditions

Court speed
Slowlow bounce, long rallies
SlowFast
Final
Kolar Z.
Valkusz M.
6-36-2
Semi-finals
Valkusz M.
Bonadio R.[6]
6-06-4
Kolar Z.
Mochizuki S.
6-32-66-2
Quarter-finals
Valkusz M.
Ferreira Silva F.
7-646-1
Bonadio R.[6]
Vesely J.
6-756-36-4
Kolar Z.
Onclin G.
6-22-66-4
Mochizuki S.
Dzumhur D.[8]
5-76-26-3
R16
Ferreira Silva F.
Krutykh O.[7]
6-16-4
Kolar Z.
Kopriva V.[3]
6-26-1
Mochizuki S.
Mensik J.
1-66-27-64
Mochizuki S.
Mensik J.
1-66-27-64
Vesely J.
Gakhov I.[2]
2-66-36-4
Bonadio R.[6]
Mayot H.
6-17-63
Onclin G.
Svrcina D.[9]
6-06-3
Valkusz M.
Blancaneaux G.[4]
6-36-4
Dzumhur D.[8]
Monfils G.
6-36-4
R32
Monfils G.
Furness E.
6-32-0
Kopriva V.[3]
Added D.
7-54-66-3
Krutykh O.[7]
Ionel N.
6-16-2
Mochizuki S.
Andreozzi G.
2-66-46-1
Bonadio R.[6]
Marti Pujolras A.
6-46-3
Vesely J.
Giustino L.
6-36-776-2
Mensik J.
Peniston R.
6-26-3
Mensik J.
Peniston R.[1]
6-26-3
Mayot H.
Sultanov K.
6-26-0
Gakhov I.[2]
Rosol L.
6-43-66-1
Kolar Z.
Zekic M.
7-696-2
Dzumhur D.[8]
Squire H.
6-36-0
Svrcina D.[9]
Molleker R.
6-02-66-1
Ferreira Silva F.
Collignon R.
6-46-4
Blancaneaux G.[4]
Martin Tiffon P.
6-46-3
Valkusz M.
Rikl P.
6-34-66-1
Onclin G.
Sachko V.
4-66-46-2