James Duckworth vs Stefan Kozlov — Mexico City CH Round of 16

Mexico City CH · CHALLENGER · Round of 16
AUS
James Duckworth
[1]
#82ATP
1652ELO
1585Clay ELO
$312kYTD
$5.2MCAREER
34 yrs · 183 cm · Right-handed
Last 10
LWLLWWWWWL
2 — 0
Sets
Monday, 6 April 2026
clay
USA
Stefan Kozlov
#292ATP
1429ELO
1397Clay ELO
28 yrs · 183 cm · Right-handed
Last 10
LWLWWWLWLL

Umpiry Score

Pre-match
Duckworth J.
7.4
Dominant favouriteUmpiry Score
Kozlov S.
5.2
Clear underdogUmpiry Score
Form & Matchup
7.3+188 Clay Elo edge
Surface ELO
2.7Clay Elo 1397
7.8Overall Elo 1652
ELO gap
2.2Overall Elo 1429
5.0
H2H
5.0
7.5
Surface form
5.2
Win streak
0.0Lost last 4
Fatigue & Travel
2.5
Minutes 14d
7.9
0.0
3-set count
Context
6.0
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.

Duckworth J.
662
Kozlov S.
320

Head to head

1–0
DateTournamentRoundSurfaceWinnerScore
2019-10-14Las Vegas CHQFhardJames Duckworth6-2 6-3

Statistics

Recent form
Duckworth J.Kozlov S.
56%1st serve in+5%61%
74%1st serve points won+7%67%
52%2nd serve points won+3%49%
64%Service points won+4%60%
34%Return points won+7%41%
74%Break points saved+17%57%
9.3Aces / match+6.42.9
3.8Double faults / match+0.33.5

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

Draw

Final
Duckworth J.[1]
Napolitano S.
6-777-636-2
Semi-finals
Duckworth J.[1]
Colson T.
7-676-4
Napolitano S.
Pavlovic L.[7]
6-36-4
Quarter-finals
Duckworth J.[1]
Zhukayev B.
4-66-36-4
Colson T.
Hernandez Serrano J.
7-652-67-5
Pavlovic L.[7]
Pacheco Mendez R.
2-66-47-61
Napolitano S.
Schoolkate T.[2]
3-66-16-4
R16
Duckworth J.[1]
Kozlov S.
6-36-2
Zhukayev B.
Denolly C.
7-57-65
Colson T.
Mejia N.[4]
7-56-3
Hernandez Serrano J.
Ficovich J.[6]
7-54-66-4
Pavlovic L.[7]
Mayo A.
6-13-67-68
Pacheco Mendez R.
Artnak B.
6-43-67-5
Napolitano S.
Soto M.
6-17-68
Schoolkate T.[2]
Polmans M.
7-657-5
R32
Duckworth J.[1]
Mmoh M.
6-46-3
Kozlov S.
Perot R.
6-36-1
Zhukayev B.
Hayen A.
6-16-4
Denolly C.
Huesler M.[8]
1-66-26-1
Mejia N.[4]
Orlov V.
3-67-636-0
Colson T.
Tobon M.
1-66-36-3
Hernandez Serrano J.
Poling K.
7-56-4
Ficovich J.[6]
Milavsky D.
6-46-3
Pavlovic L.[7]
Mena F.
7-644-66-2
Mayo A.
Martin D.
3-66-37-62
Artnak B.
Magadan A.
6-34-66-4
Pacheco Mendez R.
Mcdonald M.[3]
6-26-2
Napolitano S.
Martin A.
6-46-4
Polmans M.
Alujas R.
6-16-1
Schoolkate T.[2]
Bicknell B.
7-57-5
Soto M.
Clarke J.[5]
1-66-37-5