── the model's take · from Elo · neutral court
Win probability
The model makes Quentin Halys 58% favourite on a neutral court; the surface splits below move it.
Quentin Halys
Facundo Diaz Acosta
58%42%
Hard: 83% / 17%
Clay: 49% / 51%
Grass: 83% / 17%
An analytical read from the model's Elo — not a betting signal.
── who holds the edge · vs the rated field
Serve & return matchup
Serve
Quentin Halys
88th · strong
Facundo Diaz Acosta
48th · average
Return
Quentin Halys
17th · poor
Facundo Diaz Acosta
70th · average
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#56
model rank
#78
Clay
best surface
Clay
Right
hand
Left
FRA
country
ARG
191cm
height
183cm
── model Elo over time
Trajectories
■ Quentin Halys■ Facundo Diaz Acosta
── 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 |