── 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.

Yosuke Watanuki
Chun Hsin Tseng
43%57%
Hard: 61% / 39%
Clay: 34% / 66%
Grass: 89% / 11%

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

── who holds the edge · vs the rated field

Serve & return matchup

Serve
Yosuke Watanuki
7th · poor
Chun Hsin Tseng
12th · poor
Return
Yosuke Watanuki
25th · below avg
Chun Hsin Tseng
40th · average

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

── head to head

Compare

#182
model rank
#165
Clay
best surface
Clay
Right
hand
Right
JPN
country
TPE
180cm
height
175cm
── model Elo over time

Trajectories

■ Yosuke Watanuki■ Chun Hsin Tseng
── meetings by surface

Surface record

Hard1–1
── 2 meetings

Every meeting

datetournamentsurfrdwinnerscore
2026-08-31Zhangjiagang CHHardR16Chun Hsin Tseng7-5 6-3
2025-11-10Kobe CHHardSFYosuke Watanuki2-6 6-2 6-1