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

Win probability

The model makes James Duckworth a slight 55% favourite on a neutral court; the surface splits below move it.

James Duckworth
Jason Kubler
55%45%
Hard: 50% / 50%
Clay: 47% / 53%
Grass: 24% / 76%

An analytical read from the model's Elo — not a betting signal.

── who holds the edge · vs the rated field

Serve & return matchup

Serve
James Duckworth
57th · average
Jason Kubler
43th · average
Return
James Duckworth
11th · poor
Jason Kubler
57th · average

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

── head to head

Compare

#117
model rank
#135
Hard
best surface
Grass
Right
hand
Right
AUS
country
AUS
183cm
height
178cm
── model Elo over time

Trajectories

James DuckworthJason Kubler
── meetings by surface

Surface record

Hard20
Grass01
Clay30
── 6 meetings

Every meeting

datetournamentsurfrdwinnerscore
2025-11-17Sydney CHHardSFJames Duckworth7-5 6-2
2022-07-11NewportGrassQFJason Kubler7-5 7-6(3)
2019-04-15Anning CHClayR16James Duckworth7-5 7-6(5)
2018-07-30WashingtonHardR32James Duckworth1-6 6-2 7-6(5)
2013-03-25Australia F5ClayFJames Duckworth7-6(9) 6-2
2011-08-15Italy F23ClayQFJames Duckworth6-4 6-3