── the model's take · from Elo · neutral court
Win probability
The model makes Nuno Borges 80% favourite on a neutral court; the surface splits below move it.
Zhizhen Zhang
Nuno Borges
20%80%
Hard: 21% / 79%
Clay: 34% / 66%
Grass: 45% / 55%
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
42th · average
Nuno Borges
81th · strong
Return
Zhizhen Zhang
11th · poor
Nuno Borges
69th · average
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#163
model rank
#35
Clay
best surface
Clay
Right
hand
Right
CHN
country
POR
193cm
height
185cm
── model Elo over time
Trajectories
■ Zhizhen Zhang■ Nuno Borges
── meetings by surface
Surface record
Hard1–0
── 1 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2026-02-06 | Davis Cup WG1 PO: CHN vs POR | Hard | RR | Zhizhen Zhang | 7-5 6-4 |