Stefan Kozlov vs Jason Kubler — Columbus CH Round of 16

Columbus CH · CHALLENGER · Round of 16
USA
Stefan Kozlov
#292ATP
1429ELO
1408Hard ELO
28 yrs · 183 cm · Right-handed
Last 10
LWLWWWLLWL
2 — 0
Sets
Monday, 20 September 2021
hard
AUS
Jason Kubler
#440ATP
1685ELO
1635Hard ELO
33 yrs · 178 cm · Right-handed
Last 10
WWWWLLWLWW

Umpiry Score

Pre-match
Kozlov S.
3.6
Heavy underdogUmpiry Score
  • Recent retirement (−1.5)
Kubler J.
8.1
Dominant favouriteUmpiry Score
Form & Matchup
2.2Hard Elo 1408
Surface ELO
7.8+227 Hard Elo edge
1.8Overall Elo 1429
ELO gap
8.2Overall Elo 1685
0.0
H2H
10.0
5.5
Surface form
7.8
0.0Lost last 2
Win streak
0.0
Fatigue & Travel
8.1
Minutes 14d
9.3
9.0
Prev. match
9.0
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.

Kozlov S.
672
Kubler J.
250

Head to head

1–1
DateTournamentRoundSurfaceWinnerScore
2021-11-01Charlottesville CHR16hardStefan Kozlov6-3 6-1
2019-07-08Winnetka CHR16hardJason Kubler6-2 6-3

Statistics

Recent form
Kozlov S.Kubler J.
60%1st serve in+4%64%
66%1st serve points won+7%73%
49%2nd serve points won+3%52%
59%Service points won+6%65%
41%Return points won+2%39%
54%Break points saved+1%53%
2.9Aces / match+2.55.4
3.5Double faults / match+1.42.1

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

Draw

Final
Kozlov S.
Purcell M.
4-66-26-4
Semi-finals
Purcell M.
Vukic A.
7-637-66
Kozlov S.
Wolf J.[7]
2-66-37-5
Quarter-finals
Kozlov S.
Torpegaard M.
2-67-646-4
Vukic A.
Bolt A.[3]
7-56-4
Purcell M.
Mejia N.
6-43-66-0
Wolf J.[7]
Sandgren T.[1]
6-33-67-65
R16
Mejia N.
Kelly D.
6-40-66-2
Torpegaard M.
Gunneswaran P.[4]
6-16-4
Vukic A.
Kingsley C.
7-647-5
Purcell M.
Peniston R.
6-37-67
Kozlov S.
Kubler J.
6-27-5
Wolf J.[7]
King E.
6-36-0
Bolt A.[3]
Nam J.
7-656-4
Sandgren T.[1]
Brouwer G.
6-46-4
R32
Kelly D.
Caruso S.[2]
6-23-0
Bolt A.[3]
Rubin N.
7-657-64
Sandgren T.[1]
Galarneau A.
6-36-2
Gunneswaran P.[4]
Kovacevic A.
3-66-37-5
Vukic A.
Escobedo E.[6]
6-47-5
Kozlov S.
Krueger M.[8]
6-06-3
Brouwer G.
King D.
7-616-0
Mejia N.
Chappell N.
5-0
Wolf J.[7]
Mukund S.
6-36-2
Peniston R.
Jung J.[5]
6-36-4
Nam J.
Chung Y.
3-66-47-63
Torpegaard M.
Mochizuki S.
6-36-737-65
Kingsley C.
Vocel M.
5-76-17-63
Kubler J.
Polansky P.
7-666-4
King E.
Aragone J.
6-46-4