── the model's take · from Elo · neutral court
Win probability
The model makes Jan Choinski a slight 52% favourite on a neutral court; the surface splits below move it.
Jan Choinski
Marcos Giron
52%48%
Hard: 24% / 76%
Clay: 76% / 24%
Grass: 31% / 69%
An analytical read from the model's Elo — not a betting signal.
── who holds the edge · vs the rated field
Serve & return matchup
Serve
Jan Choinski
45th · average
Marcos Giron
53th · average
Return
Jan Choinski
22th · below avg
Marcos Giron
57th · average
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#102
model rank
#107
Clay
best surface
Hard
Right
hand
Right
GBR
country
USA
196cm
height
180cm
── model Elo over time
Trajectories
■ Jan Choinski■ Marcos Giron
── meetings by surface
Surface record
Grass1–0
Hard1–0
── 2 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2026-06-22 | Eastbourne | Grass | Q2 | Jan Choinski | 7-5 6-7(2) 7-6(5) |
| 2016-09-19 | USA F29 | Hard | QF | Jan Choinski | 6-3 5-7 6-4 |