Stefan Kozlov vs Michael Zheng — Bloomfield Hills CH Round of 32

Bloomfield Hills CH · CHALLENGER · Round of 32
Stefan Kozlov
USA
Stefan Kozlov
#296ATP
1429ELO
1408Hard ELO
28 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWWWLLWWLW
2 — 1
Sets
Monday, 1 July 2024
hard
USA
Michael Zheng
#121ATP
1695ELO
1672Hard ELO
$310kYTD
$502kCAREER
22 yrs · 188 cm · Right-handed
Last 10 · pre-match
LWWWWWLLLW
Kozlov S.
4-6 7-5 6-1
Zheng M.
Kozlov S.
4762
Zheng M.
6511

Stefan Kozlov defeated Michael Zheng 4-6 7-5 6-1 in the Bloomfield Hills CH round of 32 on hard. The upset overturned the form book — Michael Zheng came in ranked #121, defending last year's round of 32.

Key context

Head to head

No previous meetings on record.

Serve vs return

This season
Kozlov S.serving70% hold

wins 58% of points on serve vs Zheng M.

Zheng M.serving74% hold

wins 60% of points on serve vs Kozlov S.

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
Kozlov S.Zheng M.
1st serve in·Even
63%
59%
1st serve points won·Slight edge
66%
72%
2nd serve points won·Even
49%
53%
Service points won·Even
60%
64%
Return points won·Even
43%
41%
Break points saved·Slight edge
58%
64%
Aces / match·Clear edge
2.2
4.7
Double faults / match·Dominant
3.6
1.9

Averages over each player's completed matches in the selected window (120 vs 52). ATP, WTA & Challenger.

Umpiry Score

Pre-match
Kozlov S.
4.8
Heavy underdogUmpiry Score
  • Extended break: 28 days (−0.3)
Zheng M.
6.4
Marginal edgeUmpiry Score
Form & Matchup
1.5Hard Elo 1408
Surface ELO
8.5+263 Hard Elo edge
1.3Overall Elo 1429
ELO gap
8.7Overall Elo 1695
10.0No prior meetings
H2H
0.0
4.4
Surface form
4.0
0.0
Win streak
0.0Lost last 5
Fatigue & Travel
Minutes 14d
8.8
8.0
Prev. match
8.0
Surface transition
6.0
Context
5.0
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
Kozlov S.Zheng M.
Freshness·Clear edge
69
92

Kozlov S.: 4 days rest · 3 matches, 72 games (7d) · Zheng M.: 11 days rest · 2 matches (14d). Higher means fresher. About

Conditions

Court speed
Medium-fastrewards aggression
SlowFast
Final
Tien L.
Basavareddy N.
4-66-36-4
Semi-finals
Basavareddy N.
Kozlov S.
6-22-0
Tien L.
Seggerman R.
6-14-66-4
Quarter-finals
Basavareddy N.
Tomic B.
6-40-0
Tien L.
Sekulic P.
4-67-646-3
Seggerman R.
Brouwer G.[4]
6-46-4
Kozlov S.
Wolf J.[1]
6-46-4
R16
Kozlov S.
Wu T.
5-76-34-0
Seggerman R.
Escobedo E.
6-46-2
Wolf J.[1]
Shimizu Y.
6-16-4
Tomic B.
Vandecasteele Q.
1-67-636-3
Basavareddy N.
Bellier A.
6-34-66-2
Brouwer G.[4]
Kwiatkowski T.
6-766-26-3
Tien L.
Yunchaokete B.[6]
0-67-56-0
Sekulic P.
Quinn E.
3-67-57-64
R32
Sekulic P.
Nava E.[2]
6-02-67-5
Tomic B.
Mejia N.
6-716-36-4
Wu T.
Boyer T.[7]
6-27-63
Tien L.
Trotter J.
4-66-36-3
Wolf J.[1]
Martin A.
6-47-5
Shimizu Y.
Braswell M.
1-67-646-1
Kozlov S.
Zheng M.
4-67-56-1
Vandecasteele Q.
Schoolkate T.[3]
4-66-36-4
Bellier A.
Moriya H.
2-66-26-1
Basavareddy N.
Polmans M.[8]
6-46-2
Escobedo E.
Krueger M.[5]
6-33-66-3
Seggerman R.
Uchida K.
7-636-1
Kwiatkowski T.
Holt B.
6-36-4
Brouwer G.[4]
Langmo C.
6-16-4
Yunchaokete B.[6]
Peniston R.
6-46-4
Quinn E.
Baris O.
6-26-2