── 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.

Daniel Altmaier
Zhizhen Zhang
65%35%
Hard: 53% / 47%
Clay: 57% / 43%
Grass: 33% / 67%

An analytical read from the model's Elo — not a betting signal.

── who holds the edge · vs the rated field

Serve & return matchup

Serve
Daniel Altmaier
41th · average
Zhizhen Zhang
49th · average
Return
Daniel Altmaier
33th · below avg
Zhizhen Zhang
15th · poor

Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.

── head to head

Compare

#103
model rank
#153
Clay
best surface
Clay
Right
hand
Right
GER
country
CHN
188cm
height
193cm
── model Elo over time

Trajectories

Daniel AltmaierZhizhen Zhang
── meetings by surface

Surface record

Clay11
── 2 meetings

Every meeting

datetournamentsurfrdwinnerscore
2026-05-06Rome MastersClayR128Daniel Altmaier4-6 7-6(3) 6-4
2023-07-24HamburgClayQFZhizhen Zhang6-4 6-4