Adolfo Daniel Vallejo vs Juncheng Shang — Montreal Round of 128
CHNPR
Vallejo A.
Juncheng Shang defeated Adolfo Daniel Vallejo in the Round of 128 of the Montreal tournament on hard courts, winning in straight sets 6-3, 6-3. Shang hit one ace and two double faults, while Vallejo had four aces and five double faults. Shang converted 57% of his break points and won four service breaks to Vallejo's one.
Key context
- Match story: Juncheng Shang dropped just 6 games past Adolfo Daniel Vallejo.
Head to head
No previous meetings on record.
Statistics
This seasonAverages over each player's completed matches in the selected window (33 vs 8). ATP, WTA & Challenger.
Clutch
Under pressurePerformance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Win Probability
Pre-match · updated 14:50 UTC50–58%
58–67%
67–80%
80%+
Clear favourite · Shang J. clearly ahead, but no certainty
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
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.
Freshness
Recent loadVallejo A.: 3 days rest · 2 matches, 36 games (7d) · Shang J.: 4 days rest · 1 match, 18 games (7d). Higher means fresher. About