── 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
Zdenek Kolarinsufficient data
Zhizhen Zhang
49th · average
Return
Zdenek Kolarinsufficient data
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
—
model rank
#153
—
best surface
Clay
Right
hand
Right
CZE
country
CHN
183cm
height
193cm
── model Elo over time
Trajectories
■ Zdenek Kolar■ Zhizhen Zhang
── meetings by surface
Surface record
Clay1–0
Hard1–0
── 2 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2026-05-11 | Oeiras 4 CH | Clay | R32 | Zdenek Kolar | 6-3 6-4 |
| 2023-01-30 | Koblenz CH | Hard | R16 | Zdenek Kolar | 3-6 6-3 6-3 |