── the model's take · from Elo · neutral court
Win probability
The model makes Daniel Altmaier 65% favourite on a neutral court; the surface splits below move it.
Zhizhen Zhang
Daniel Altmaier
35%65%
Hard: 47% / 53%
Clay: 43% / 57%
Grass: 67% / 33%
An analytical read from the model's Elo — not a betting signal.
── who holds the edge · vs the rated field
Serve & return matchup
Serve
Zhizhen Zhang
49th · average
Daniel Altmaier
41th · average
Return
Zhizhen Zhang
15th · poor
Daniel Altmaier
33th · below avg
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#153
model rank
#103
Clay
best surface
Clay
Right
hand
Right
CHN
country
GER
193cm
height
188cm
── model Elo over time
Trajectories
■ Zhizhen Zhang■ Daniel Altmaier
── meetings by surface
Surface record
Clay1–1
── 2 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2026-05-06 | Rome Masters | Clay | R128 | Daniel Altmaier | 4-6 7-6(3) 6-4 |
| 2023-07-24 | Hamburg | Clay | QF | Zhizhen Zhang | 6-4 6-4 |