Adolfo Daniel Vallejo vs Luciano Darderi — Bastad Semi-final
ITA2
Vallejo A.
Adolfo Daniel Vallejo faces Luciano Darderi in the Bastad semi-final on clay. Luciano Darderi is the paper favourite — ranked #18, a roughly 130-point clay Elo advantage — but Adolfo Daniel Vallejo arrives in form, winning 4 of their last 5 on clay to Luciano Darderi's 3.
Win Probability
Pre-match · updated 18:50 UTC50–58%
58–67%
67–80%
80%+
Slight edge · Darderi L. narrowly ahead
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
Key context
- Freshness: Adolfo Daniel Vallejo comes in with 2 days of rest and 82 games in 14d, vs Luciano Darderi's 2 and 20.
- Last match: Luciano Darderi edged Nuno Borges in two tight sets (7–6 6–4).
- Surface form: Adolfo Daniel Vallejo 4 of 5, Luciano Darderi 3 of 5 on clay recently — Adolfo Daniel Vallejo the sharper of late.
Umpiry Score
Pre-matchThe Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Statistics
This seasonAverages over each player's completed matches in the selected window (41 vs 24). ATP, WTA & Challenger.
Serve vs return
This seasonEach player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Freshness
Recent loadVallejo A.: 2 days rest · 2 matches, 50 games (7d) · Darderi L.: 2 days rest · 1 match, 20 games (7d). Higher means fresher. About
Conditions
Head to head
No previous meetings on record.