Adolfo Daniel Vallejo advanced to the quarterfinals of the Winston-Salem tournament with a win over Pablo Carreno Busta in the Round of 16. Carreno Busta retired during the match, trailing Vallejo 4-6, 0-3.
Retired from his match against Vallejo due to physical discomfort while trailing, prioritizing caution ahead of the US Open.
Quotes belong to their sources, linked above.
No previous meetings on record.
Averages over each player's completed matches in the selected window (36 vs 33). ATP, WTA & Challenger.
Performance in the biggest moments — break points, deciding sets and tiebreaks (0–100, higher is better). About
Slight edge · Carreno Busta P. narrowly ahead
Calibrated model · 65% favourite accuracy (2025–26, out-of-sample). Probability is a statistical estimate, not a certainty. How it works.
The Umpiry Score combines match-context factors — matchup, form, fatigue, travel and motivation — into a single 0–10 score, updated daily. Read how it works.
Carreno Busta P.: 5 days rest · 1 match, 13 games (7d) · Vallejo A.: 4 days rest · 2 matches, 27 games (7d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Per-surface Serve / Return Rating (0–100, percentile within the hard field, opponent-adjusted over 52 weeks). About