── the model's take · from Elo · neutral court
Win probability
The model makes Stefanos Tsitsipas 87% favourite on a neutral court; the surface splits below move it.
Stefanos Tsitsipas
Billy Harris
87%13%
Hard: 88% / 12%
Clay: 97% / 3%
Grass: 46% / 54%
An analytical read from the model's Elo — not a betting signal.
── who holds the edge · vs the rated field
Serve & return matchup
Serve
Stefanos Tsitsipas
92th · elite
Billy Harris
8th · poor
Return
Stefanos Tsitsipas
47th · average
Billy Harris
13th · poor
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#29
model rank
#180
Clay
best surface
Hard
Right
hand
Right
GRE
country
GBR
193cm
height
193cm
── model Elo over time
Trajectories
■ Stefanos Tsitsipas■ Billy Harris
── meetings by surface
Surface record
Hard1–0
── 1 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2026-01-05 | United Cup | Hard | RR | Stefanos Tsitsipas | 4-6 6-1 7-6(4) |