Zdenek Kolar vs Zhizhen Zhang — Oeiras 6 Round of 32

Oeiras 6 · CHALLENGER · Round of 32
Zdenek Kolar
CZE
Zdenek Kolar
#154ATP
1506ELO
1485Clay ELO
$121kYTD
$1.3MCAREER
29 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLLWWLLLW
2 — 0
Sets
Tuesday, 12 May 2026 ·
clay
Zhizhen Zhang
CHNQ
Zhizhen Zhang
#161ATP
1682ELO
1633Clay ELO
$546kYTD
$4.6MCAREER
29 yrs · 193 cm · Right-handed
Last 10 · pre-match
LLWWWWWLWW
Kolar Z.
6-3 6-4
Zhang Z.
Kolar Z.
662
Zhang Z.
340

Zdenek Kolar defeated Zhizhen Zhang 6-3 6-4 in the Oeiras 6 round of 32 on clay.

Key context

  • Match story: Zdenek Kolar closed it out in two sets, 6–3 6–4.

Head to head

No previous meetings on record.

Serve vs return

This season
Kolar Z.serving80% hold

wins 63% of points on serve vs Zhang Z.

Zhang Z.serving74% hold

wins 60% of points on serve vs Kolar Z.

Serve advantage — Kolar Z.

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.Zhang Z.
1st serve in·Even
67%
63%
1st serve points won·Slight edge
66%
73%
2nd serve points won·Even
52%
49%
Service points won·Even
61%
64%
Return points won·Slight edge
40%
34%
Break points saved·Slight edge
54%
61%
Aces / match·Dominant
2.5
7.8
Double faults / match·Dominant
3.4
1.7

Averages over each player's completed matches in the selected window (33 vs 25). ATP, WTA & Challenger.

Clutch

Under pressure
Kolar Z.Zhang Z.
Clutch Rating·Dominant
26
56
Break points saved·Dominant
53
94
Break points won·Clear edge
28
14
Deciding sets·Dominant
58
91
Tiebreaks·Dominant
8
43

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

Umpiry Score

Pre-match
Kolar Z.
6.2
Even matchUmpiry Score
Zhang Z.
5.7
Slight disadvantageUmpiry Score
  • Back-to-back day (−0.5)
Form & Matchup
2.7Clay Elo 1485
Surface ELO
7.3+148 Clay Elo edge
2.6Overall Elo 1506
ELO gap
7.4Overall Elo 1682
5.0No prior meetings
H2H
5.0
7.7
Surface form
5.1
7.04-match win streak
Win streak
Fatigue & Travel
3-set count
4.0
7.0
Prev. match
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.

Freshness

Recent load
Kolar Z.Zhang Z.
Freshness·Clear edge
86
100

Kolar Z.: 3 days rest · 2 matches, 37 games (7d) · Zhang Z.: 20 days rest. Higher means fresher. About

R32
R16
Quarter-finals
Semi-finals
Final
Garin C.
Midon L.
3-67-54-6
Hassan B.
Mejia N.
6-46-3
Kolar Z.
Zhang Z.
6-36-4
Diaz Acosta F.
Dellien H.
2-66-7
Rocha H.
Safiullin R.
7-56-72-6
Djere L.
Heide G.
6-26-2
Rodionov J.
Smith C.
3-63-6
Blanch D.
Pinnington Jones J.
3-67-65-7
Gaubas V.
Ferreira Silva F.
6-32-66-1
Harris B.
Brunclik P.
5-77-53-6
Jorda Sanchis D.
Vasa E.
5-74-6
Torres T.
Faria J.
3-64-6
Barrios Vera T.
Zheng M.
6-46-4
Olivieri G.
Basavareddy N.
1-66-13-6
Pereira T.
Elias G.
6-23-6
Draxl L.
Nava E.
6-73-6
Midon L.
Hassan B.
4-66-23-6
Kolar Z.
Dellien H.
4-66-46-7
Safiullin R.
Djere L.
4-65-7
Smith C.
Pinnington Jones J.
6-46-1
Gaubas V.
Brunclik P.
6-34-63-6
Vasa E.
Faria J.
3-61-6
Barrios Vera T.
Basavareddy N.
6-16-4
Pereira T.
Nava E.
3-63-6
Hassan B.
Dellien H.
5-73-5
Djere L.
Smith C.
6-46-4
Brunclik P.
Faria J.
6-16-72-6
Barrios Vera T.
Nava E.
6-24-66-7
Dellien H.
Djere L.
2-2
Faria J.
Nava E.
2-67-676-75
Djere L.
Nava E.
6-36-4