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

Champaign CH · CHALLENGER · Semi-final
USA
Stefan Kozlov
[8]
#292ATP
1429ELO
1408Hard ELO
28 yrs · 183 cm · Right-handed
Last 10
LWLWWWLLWL
2 — 0
Sets
Monday, 15 November 2021
hard
USA
J J Wolf
[3]
#921ATP
27 yrs · 183 cm · Right-handed
Last 10
LWLLLLLLWW

Umpiry Score

Pre-match
Kozlov S.
6.9
Slight advantageUmpiry ScorePartial · surface data limited
Wolf J.
6.8
Slight advantageUmpiry ScorePartial · surface data limited
Form & Matchup
4.6
H2H
5.4
8.5
Surface form
7.5
Win streak
0.0Lost last 2
Fatigue & Travel
3.2
Minutes 14d
5.3
4.0
3-set count
7.0
8.0
Prev. match
9.0
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.

Kozlov S.
662
Wolf J.
230

Head to head

3–5
DateTournamentRoundSurfaceWinnerScore
2025-01-27Cleveland CHQFhardJ J Wolf6-1 6-3
2024-07-01Bloomfield Hills CHQFhardStefan Kozlov6-4 6-4
2022-09-19San DiegoR32hardJ J Wolf6-2 7-6(6)
2021-11-01Charlottesville CHSFhardStefan Kozlov6-1 6-7(1) 6-0
2021-10-25Las Vegas CHFhardJ J Wolf6-4 6-4
2021-09-20Columbus CHSFhardStefan Kozlov2-6 6-3 7-5
2019-11-11Champaign-Urbana CHQFhardJ J Wolf6-2 6-2
2019-01-07Columbus CHR64hardJ J Wolf6-2 7-6(4)

Statistics

Recent form
Kozlov S.Wolf J.
60%1st serve in+3%57%
66%1st serve points won+6%72%
49%2nd serve points won+2%47%
59%Service points won+2%61%
41%Return points won+2%39%
54%Break points saved+4%58%
2.9Aces / match+3.66.5
3.5Double faults / match+0.33.2

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

Draw

Final
Kozlov S.[8]
Vukic A.[4]
5-76-36-4
Semi-finals
Vukic A.[4]
Watanuki Y.
7-686-4
Kozlov S.[8]
Wolf J.[3]
6-26-3
Quarter-finals
Kozlov S.[8]
Krueger M.[2]
6-46-4
Watanuki Y.
Shelton B.
6-26-1
Wolf J.[3]
Kirkov V.
6-36-2
Vukic A.[4]
Soeda G.
6-26-2
R16
Shelton B.
Krstin P.
4-66-06-1
Kozlov S.[8]
Smith K.
6-36-1
Krueger M.[2]
Harrison C.
6-31-66-4
Vukic A.[4]
Brouwer G.
6-46-4
Watanuki Y.
Altmaier D.[1]
6-26-1
Kirkov V.
Chappell N.
6-26-3
Wolf J.[3]
Uchida K.
6-36-4
Soeda G.
Jung J.[5]
6-45-76-4
R32
Shelton B.
Rola B.[7]
3-66-46-4
Krstin P.
Kadhe A.
7-57-5
Altmaier D.[1]
Jaziri M.
6-36-4
Smith K.
Mmoh M.
5-3
Uchida K.
Uchiyama Y.
6-43-1
Watanuki Y.
Galarneau A.
6-44-66-0
Brouwer G.
Kovacevic A.
7-53-67-65
Chappell N.
Nava E.
6-37-65
Jung J.[5]
Torpegaard M.
6-23-66-4
Wolf J.[3]
Ito T.
6-33-66-3
Harrison C.
Clark E.
4-66-36-3
Soeda G.
Kwiatkowski T.
6-16-4
Krueger M.[2]
Mejia N.
6-36-3
Vukic A.[4]
Wu T.
6-36-3
Kirkov V.
Gunneswaran P.[6]
7-56-1
Kozlov S.[8]
Aragone J.
3-66-36-4