── 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.
Jason Kubler
James Duckworth
45%55%
Hard: 50% / 50%
Clay: 53% / 47%
Grass: 76% / 24%
An analytical read from the model's Elo — not a betting signal.
── who holds the edge · vs the rated field
Serve & return matchup
Serve
Jason Kubler
43th · average
James Duckworth
57th · average
Return
Jason Kubler
57th · average
James Duckworth
11th · poor
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#135
model rank
#117
Grass
best surface
Hard
Right
hand
Right
AUS
country
AUS
178cm
height
183cm
── model Elo over time
Trajectories
■ Jason Kubler■ James Duckworth
── meetings by surface
Surface record
Hard0–2
Grass1–0
Clay0–3
── 6 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2025-11-17 | Sydney CH | Hard | SF | James Duckworth | 7-5 6-2 |
| 2022-07-11 | Newport | Grass | QF | Jason Kubler | 7-5 7-6(3) |
| 2019-04-15 | Anning CH | Clay | R16 | James Duckworth | 7-5 7-6(5) |
| 2018-07-30 | Washington | Hard | R32 | James Duckworth | 1-6 6-2 7-6(5) |
| 2013-03-25 | Australia F5 | Clay | F | James Duckworth | 7-6(9) 6-2 |
| 2011-08-15 | Italy F23 | Clay | QF | James Duckworth | 6-4 6-3 |