Stefan Kozlov vs J J Wolf — Charlottesville CH Semi-final

Charlottesville CH · CHALLENGER · Semi-final
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 November 2021
hard
J J Wolf
USA
J J Wolf
27 yrs · 183 cm · Right-handed
Last 10 · pre-match
WLLWLLLLLL
Kozlov S.
6-1 6-7 6-0
Wolf J.
Kozlov S.
66162
Wolf J.
17701

Stefan Kozlov defeated J J Wolf 6-1 6-7 6-0 in the Charlottesville CH semi-final on hard. The upset overturned the form book — J J Wolf came in leading the head-to-head 1–0, but Stefan Kozlov had arrived on a 3-match winning run. Stefan Kozlov claimed a first win over J J Wolf in two meetings, narrowing the head-to-head to 1–1.

Key context

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.serving76% hold

wins 61% 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.Wolf J.
1st serve in·Slight edge
64%
58%
1st serve points won·Slight edge
66%
73%
2nd serve points won·Even
47%
51%
Service points won·Slight edge
59%
64%
Return points won·Slight edge
42%
37%
Break points saved·Even
58%
60%
Aces / match·Dominant
2.4
6.7
Double faults / match·Clear edge
4.0
3.1

Averages over each player's completed matches in the selected window (199 vs 200). 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.
6.8
Slight advantageUmpiry ScorePartial · surface data limited
Wolf J.
7.2
Strong advantageUmpiry ScorePartial · surface data limited
Form & Matchup
2.7
H2H
7.3
8.1
Surface form
8.3
7.03-match win streak
Win streak
9.05-match win streak
Fatigue & Travel
4.2
Minutes 14d
5.5
7.0
3-set count
7.0
7.0
Prev. match
8.0
Context
5.0
Defending pts
5.0
5.0
Opponent rise

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
Mediumbalanced pace
SlowFast
Final
Kozlov S.
Vukic A.
6-26-3
Semi-finals
Kozlov S.
Wolf J.
6-16-716-0
Vukic A.
Schnur B.
6-46-1
Quarter-finals
Kozlov S.
Nava E.
6-46-2
Vukic A.
Sock J.[4]
6-47-5
Wolf J.
Kwiatkowski T.
7-56-4
Schnur B.
Gunneswaran P.
7-56-3
R16
Schnur B.
Harrison C.
7-616-747-66
Sock J.[4]
Stebe C.
6-26-3
Vukic A.
Wu T.
3-66-36-2
Kwiatkowski T.
Watanuki Y.
7-646-1
Nava E.
Soeda G.
2-67-656-2
Kozlov S.
Kubler J.
6-36-1
Wolf J.
Kudla D.
6-27-65
Gunneswaran P.
Montes De La Torre I.
6-17-5
R32
Kudla D.
Krueger M.[3]
6-36-2
Vukic A.
Popko D.[5]
6-37-5
Watanuki Y.
Eubanks C.
6-22-66-4
Kozlov S.
Fratangelo B.[7]
7-56-2
Kubler J.
Von Der Schulenburg J.
7-657-5
Soeda G.
Ito T.
7-607-5
Nava E.
Pospisil V.[1]
6-44-67-63
Gunneswaran P.
Daniel T.[2]
6-727-656-2
Wu T.
Chappell N.
6-46-3
Wolf J.
Damm M.
7-56-4
Kwiatkowski T.
Rola B.[8]
7-632-67-5
Montes De La Torre I.
Polansky P.
6-34-67-65
Schnur B.
Uchiyama Y.
2-66-26-0
Harrison C.
Jung J.[6]
7-56-4
Sock J.[4]
Torpegaard M.
6-46-4
Stebe C.
Mmoh M.
6-46-716-2