Daniil Ostapenkov vs Quinn Vandecasteele — San Diego 2 Qualifying Round of 32
Ostapenkov D.
Daniil Ostapenkov defeated Quinn Vandecasteele in the qualifying second round of the San Diego 2 hard-court tournament. The match ended with a score of 7-5, 4-6, 6-3 in favor of Ostapenkov. Ostapenkov converted 57 percent of his break points and won five service breaks, compared to Vandecasteele's three service breaks and 75 percent break point conversion rate.
Generated automatically from Umpiry match data.
hold to 0/15to 30to 40 / deucebroken
Key context
- Match story: Daniil Ostapenkov closed it out in three sets, 7–5 4–6 6–3.
Head to head
No previous meetings on record.
Statistics
This seasonAverages over each player's completed matches in the selected window (19 vs 22). ATP, WTA & Challenger.
Win Probability
Pre-match · updated 20:50 UTC50–58%
58–67%
67–80%
80%+
Clear favourite · Ostapenkov D. clearly ahead, but no certainty
Calibrated model · 63% 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 loadOstapenkov D.: 1 day rest · 2 matches, 50 games (7d) · Vandecasteele Q.: 1 day rest · 2 matches, 49 games (7d). Higher means fresher. About