── the model's take · from Elo · neutral court
Win probability
The model makes Gabriel Diallo 79% favourite on a neutral court; the surface splits below move it.
Gabriel Diallo
Billy Harris
79%21%
Hard: 81% / 19%
Clay: 82% / 18%
Grass: 69% / 31%
An analytical read from the model's Elo — not a betting signal.
── who holds the edge · vs the rated field
Serve & return matchup
Serve
Gabriel Diallo
69th · average
Billy Harris
13th · poor
Return
Gabriel Diallo
38th · below avg
Billy Harris
6th · poor
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#93
model rank
#177
Hard
best surface
Hard
Right
hand
Right
CAN
country
GBR
203cm
height
193cm
── model Elo over time
Trajectories
■ Gabriel Diallo■ Billy Harris
── meetings by surface
Surface record
Grass1–1
── 2 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2025-06-16 | Queen's Club | Grass | R32 | Gabriel Diallo | 6-1 3-6 6-4 |
| 2024-07-15 | Newport | Grass | R32 | Billy Harris | 7-6(4) 7-5 |