Zdenek Kolar vs Alexander Vasilev — Sofia 1 CH Round of 32

Sofia 1 CH · CHALLENGER · Round of 32
Zdenek Kolar
CZE
Zdenek Kolar
#153ATP
1506ELO
1485Clay ELO
$121kYTD
$1.3MCAREER
29 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWLLWWLLLW
2 — 0
Sets
Monday, 11 August 2025
clay
BUL
Alexander Vasilev
#572ATP
1443ELO
1396Clay ELO
19 yrs
Last 10 · pre-match
LWLWLWLLWW
Kolar Z.
6-2 6-3
Vasilev A.
Kolar Z.
662
Vasilev A.
230

Zdenek Kolar defeated Alexander Vasilev 6-2 6-3 in the Sofia 1 CH round of 32 on clay.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Kolar Z.serving66% hold

wins 57% of points on serve vs Vasilev A.

Vasilev A.serving48% hold

wins 49% 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.Vasilev A.
1st serve in·Slight edge
64%
59%
1st serve points won·Slight edge
68%
57%
2nd serve points won·Slight edge
50%
44%
Service points won·Slight edge
61%
52%
Return points won·Even
42%
42%
Break points saved·Slight edge
60%
65%
Aces / match·Even
2.1
2.5
Double faults / match·Dominant
3.5
6.8

Averages over each player's completed matches in the selected window (94 vs 6). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Kolar Z.
4.9
Heavy underdogUmpiry Score
  • Recent retirement (−1.5)
Vasilev A.
5.9
Even matchUmpiry ScorePartial · surface data limited
Form & Matchup
6.1+89 Clay Elo edge
Surface ELO
3.9Clay Elo 1396
5.5Overall Elo 1506
ELO gap
4.5Overall Elo 1443
5.0No prior meetings
H2H
5.0
5.6
Surface form
0.0
Win streak
Fatigue & Travel
8.2
Minutes 14d
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.Vasilev A.
Freshness·Slight edge
88
96

Kolar Z.: 4 days rest · 2 matches, 37 games (7d) · Vasilev A.: 11 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Court speed
Medium-slowfavours grinders
SlowFast
Final
Kolar Z.
Dellien Velasco M.[6]
6-26-2
Semi-finals
Dellien Velasco M.[6]
Blanch D.
6-04-66-1
Kolar Z.
Fatic N.[1]
6-00-0
Quarter-finals
Kolar Z.
Sanchez Izquierdo N.
6-36-0
Dellien Velasco M.[6]
Kopp S.
7-656-0
Blanch D.
Ajdukovic D.[2]
6-47-63
Fatic N.[1]
Gima S.
6-26-2
R16
Fatic N.[1]
Ambrogi L.
6-36-2
Blanch D.
Brunold M.[8]
6-45-76-2
Ajdukovic D.[2]
Shah A.
6-36-3
Gima S.
Rincon D.[7]
6-46-4
Sanchez Izquierdo N.
Sharipov M.[5]
6-36-2
Kolar Z.
Andreescu S.
6-46-2
Kopp S.
Karol M.
3-66-37-62
Dellien Velasco M.[6]
Yevseyev D.
6-46-3
R32
Andreescu S.
Jianu F.[3]
7-673-2
Fatic N.[1]
Feldbausch K.
6-746-46-2
Ambrogi L.
Schwaerzler J.
7-56-4
Gima S.
Roncadelli F.
6-13-66-2
Sanchez Izquierdo N.
Markov V.
6-46-0
Sharipov M.[5]
Ivanov I.
6-26-2
Yevseyev D.
Zapata Miralles B.
6-26-0
Karol M.
Midon L.[4]
6-16-3
Blanch D.
Wallin O.
6-33-67-63
Shah A.
Donski A.
5-76-46-4
Kolar Z.
Vasilev A.
6-26-3
Rincon D.[7]
Sels J.
6-16-2
Dellien Velasco M.[6]
Mazdrashki A.
6-06-3
Ajdukovic D.[2]
Honda N.
2-66-46-4
Kopp S.
Nedic A.
7-56-1
Brunold M.[8]
Prihodko O.
6-46-4