── the model's take · from Elo · neutral court
Win probability
Not enough rating data for a read.
── who holds the edge · vs the rated field
Serve & return matchup
Serve
Zhizhen Zhang
49th · average
Dominik Koepferinsufficient data
Return
Zhizhen Zhang
15th · poor
Dominik Koepferinsufficient data
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#153
model rank
—
Clay
best surface
—
Right
hand
Left
CHN
country
GER
193cm
height
180cm
── model Elo over time
Trajectories
■ Zhizhen Zhang■ Dominik Koepfer
── meetings by surface
Surface record
Grass0–1
Hard1–0
── 2 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2024-06-10 | Stuttgart | Grass | R32 | Dominik Koepfer | 4-6 7-6(5) 7-6(6) |
| 2019-09-23 | Zhuhai | Hard | R32 | Zhizhen Zhang | 7-5 6-2 |