── the model's take · from Elo · neutral court
Win probability
The model makes Chun Hsin Tseng 57% favourite on a neutral court; the surface splits below move it.
Chun Hsin Tseng
Yosuke Watanuki
57%43%
Hard: 40% / 60%
Clay: 66% / 34%
Grass: 11% / 89%
An analytical read from the model's Elo — not a betting signal.
── who holds the edge · vs the rated field
Serve & return matchup
Serve
Chun Hsin Tseng
12th · poor
Yosuke Watanuki
7th · poor
Return
Chun Hsin Tseng
40th · below avg
Yosuke Watanuki
25th · below avg
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
#166
model rank
#182
Clay
best surface
Clay
Right
hand
Right
TPE
country
JPN
175cm
height
180cm
── model Elo over time
Trajectories
■ Chun Hsin Tseng■ Yosuke Watanuki
── meetings by surface
Surface record
Hard1–1
── 2 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2026-08-31 | Zhangjiagang CH | Hard | R16 | Chun Hsin Tseng | 7-5 6-3 |
| 2025-11-10 | Kobe CH | Hard | SF | Yosuke Watanuki | 2-6 6-2 6-1 |