Stefan Kozlov vs Michael Zheng — Charleston CH Qualifying Round 1

Charleston CH · CHALLENGER · Qualifying Round 1
USA
Stefan Kozlov
[11]
#292ATP
1429ELO
1408Hard ELO
28 yrs · 183 cm · Right-handed
Last 10
LWLWWWLLWL
2 — 0
Sets
Monday, 25 September 2023
hard
USA
Michael Zheng
#146ATP
1696ELO
1672Hard ELO
$204kYTD
$397kCAREER
22 yrs · 188 cm · Right-handed
Last 10
LWWWLLLWWW

Umpiry Score

Pre-match
Kozlov S.
4.6
Heavy underdogUmpiry Score
Zheng M.
6.0
Even matchUmpiry Score
  • Extended break: 56 days (−0.7)
Form & Matchup
1.5Hard Elo 1408
Surface ELO
8.5+263 Hard Elo edge
1.3Overall Elo 1429
ELO gap
8.7Overall Elo 1696
5.0
H2H
5.0
2.4
Surface form
5.2
0.0Lost last 5
Win streak
0.0Lost last 3
Fatigue & Travel
8.6
Minutes 14d
7.0
3-set count
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.

Kozlov S.
762
Zheng M.
530

Head to head

1–0
DateTournamentRoundSurfaceWinnerScore
2024-07-01Bloomfield Hills CHR32hardStefan Kozlov4-6 7-5 6-1

Statistics

Recent form
Kozlov S.Zheng M.
60%1st serve in+3%63%
66%1st serve points won+5%71%
49%2nd serve points won+1%50%
59%Service points won+4%63%
41%Return points won+1%40%
54%Break points saved+6%60%
2.9Aces / match+1.74.6
3.5Double faults / match+1.81.7

Averages from each player's recent completed matches (20 vs 20). ATP, WTA & Challenger.

Draw — qualifying

Q2
Escobedo E.[4]
Rodenas P.
4-66-16-3
Kirchheimer S.[6]
Moller E.[7]
6-16-3
Dostanic S.
Kozlov S.[11]
6-26-1
Kwiatkowski T.[10]
Mansouri S.[1]
3-66-27-5
Holmgren A.[8]
Gomez F.[5]
6-07-5
Mayo A.[9]
King D.
6-26-4
Q1
King D.
Langmo C.[2]
4-67-657-63
Mayo A.[9]
Dlimi Y.
6-13-67-65
Kozlov S.[11]
Zheng M.
7-56-3
Escobedo E.[4]
Boulais J.
7-666-3
Holmgren A.[8]
Schnur B.
6-787-57-65
Kwiatkowski T.[10]
Young D.
6-46-4
Mansouri S.[1]
Sinha A.
7-56-717-67
Rodenas P.
Ponwith N.[12]
6-756-17-65
Moller E.[7]
Vasa E.
7-56-746-4
Dostanic S.
Zhu E.[3]
4-67-56-0