── the model's take · from Elo · neutral court
Win probability
The model makes Quentin Halys 59% favourite on a neutral court; the surface splits below move it.
Facundo Diaz Acosta
Quentin Halys
41%59%
Hard: 17% / 83%
Clay: 52% / 48%
Grass: 18% / 82%
An analytical read from the model's Elo — not a betting signal.
── who holds the edge · vs the rated field
Serve & return matchup
Serve
Facundo Diaz Acosta
48th · average
Quentin Halys
88th · strong
Return
Facundo Diaz Acosta
70th · strong
Quentin Halys
15th · poor
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#78
model rank
#54
Clay
best surface
Clay
Left
hand
Right
ARG
country
FRA
183cm
height
191cm
── model Elo over time
Trajectories
■ Facundo Diaz Acosta■ Quentin Halys
── meetings by surface
Surface record
Hard1–1
── 2 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2026-08-31 | US Open | Hard | R128 | Quentin Halys | 6-4 7-5 6-7(7) 6-1 |
| 2023-08-21 | Winston-Salem | Hard | R64 | Facundo Diaz Acosta | 4-6 6-2 6-4 |