── 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 Kozlovinsufficient data
Return
James Duckworth
11th · poor
Stefan Kozlovinsufficient 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 Duckworth■ Stefan Kozlov
── meetings by surface
Surface record
Clay1–0
Hard1–0
── 2 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2026-04-06 | Mexico City CH | Clay | R16 | James Duckworth | 6-3 6-2 |
| 2019-10-14 | Las Vegas CH | Hard | QF | James Duckworth | 6-2 6-3 |

