── the model's take · from Elo · neutral court

Win probability

Not enough rating data for a read.

── who holds the edge · vs the rated field

Serve & return matchup

Serve
James Duckworth
57th · average
Stefan Kozlov
insufficient data
Return
James Duckworth
11th · poor
Stefan Kozlov
insufficient data

Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.

── head to head

Compare

#117
model rank
Hard
best surface
Right
hand
Right
AUS
country
USA
183cm
height
183cm
── model Elo over time

Trajectories

James DuckworthStefan Kozlov
── meetings by surface

Surface record

Clay10
Hard10
── 2 meetings

Every meeting

datetournamentsurfrdwinnerscore
2026-04-06Mexico City CHClayR16James Duckworth6-3 6-2
2019-10-14Las Vegas CHHardQFJames Duckworth6-2 6-3