── 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
Adolfo Daniel Vallejoinsufficient data
Learner Tien
63th · average
Return
Adolfo Daniel Vallejoinsufficient data
Learner Tien
95th · elite
Model serve/return ratings as a percentile of the rated tour — the edge behind the win probability.
── head to head
Compare
—
model rank
#22
—
best surface
Hard
Right
hand
Left
PAR
country
USA
183cm
height
180cm
── model Elo over time
Trajectories
■ Adolfo Daniel Vallejo■ Learner Tien
── meetings by surface
Surface record
Clay1–0
── 1 meetings
Every meeting
| date | tournament | surf | rd | winner | score |
|---|---|---|---|---|---|
| 2026-04-22 | Madrid Masters | Clay | R64 | Adolfo Daniel Vallejo | 6-4 6-3 |