── the model's take · from Elo · neutral court
Win probability
The model makes Learner Tien a slight 55% favourite on a neutral court; the surface splits below move it.
Learner Tien
Stefanos Tsitsipas
55%45%
Hard: 57% / 43%
Clay: 22% / 78%
Grass: 44% / 56%
An analytical read from the model's Elo — not a betting signal.
── who holds the edge · vs the rated field
Serve & return matchup
Serve
Learner Tien
63th · average
Stefanos Tsitsipas
92th · elite
Return
Learner Tien
95th · elite
Stefanos Tsitsipas
47th · average
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#22
model rank
#29
Hard
best surface
Clay
Left
hand
Right
USA
country
GRE
180cm
height
193cm
── model Elo over time
Trajectories
■ Learner Tien■ Stefanos Tsitsipas
── meetings by surface
Surface record
Clay1–0
── 1 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2026-05-17 | Geneva | Clay | R16 | Learner Tien | 7-6(4) 7-6(2) |