Stefan Kozlov vs J J Wolf — Bloomfield Hills CH Quarter-final

Bloomfield Hills CH · CHALLENGER · Quarter-final
Stefan Kozlov
USA
Stefan Kozlov
#296ATP
1429ELO
1408Hard ELO
28 yrs · 183 cm · Right-handed
Last 10 · pre-match
LWWWLLWWLW
2 — 0
Sets
Monday, 1 July 2024
hard
J J Wolf
USA1
J J Wolf
27 yrs · 183 cm · Right-handed
Last 10 · pre-match
WLLWLLLLLL
Kozlov S.
6-4 6-4
Wolf J.
Kozlov S.
662
Wolf J.
440

Stefan Kozlov defeated J J Wolf 6-4 6-4 in the Bloomfield Hills CH quarter-final on hard. The upset overturned the form book — J J Wolf came in leading the head-to-head 1–0. Stefan Kozlov claimed a first win over J J Wolf in two meetings, narrowing the head-to-head to 1–1.

Key context

  • Match story: Stefan Kozlov edged a tight contest from start to finish — 6–4 6–4.

Head to head

0–1
DateTournamentRoundSurfaceWinnerScore
2022-09-19San DiegoR32hardJ J Wolf6-2 7-6(6)

Serve vs return

This season
Kozlov S.serving76% hold

wins 61% of points on serve vs Wolf J.

Wolf J.serving68% hold

wins 57% of points on serve vs Kozlov S.

Serve advantage — Kozlov S.

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.Wolf J.
1st serve in·Slight edge
64%
56%
1st serve points won·Slight edge
66%
71%
2nd serve points won·Even
49%
48%
Service points won·Even
60%
61%
Return points won·Slight edge
43%
38%
Break points saved·Even
58%
57%
Aces / match·Dominant
2.2
5.9
Double faults / match·Slight edge
3.6
3.2

Averages over each player's completed matches in the selected window (120 vs 56). ATP, WTA & Challenger.

Clutch

Under pressure
Kozlov S.Wolf J.
Clutch Rating·Dominant
36
61
Break points saved·Dominant
49
93
Break points won·Dominant
20
49
Deciding sets·Clear edge
85
66
Tiebreaks·Dominant
30
59

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

Umpiry Score

Pre-match
Kozlov S.
5.4
Clear underdogUmpiry ScorePartial · surface data limited
  • Extended break: 28 days (−0.3)
Wolf J.
4.6
Heavy underdogUmpiry ScorePartial · surface data limited
  • Extended break: 35 days (−0.7)
Form & Matchup
5.6
H2H
4.4
4.4
Surface form
2.6
0.0
Win streak
Fatigue & Travel
8.0
Prev. match
Surface transition
6.0
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
Kozlov S.Wolf J.
Freshness·Clear edge
69
83

Kozlov S.: 4 days rest · 3 matches, 72 games (7d) · Wolf J.: played today · 1 match, 18 games (7d). 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