Active ATP
Quinn Vandecasteele 🇺🇸
American tennis player (born 2002)
Tournament Run
Quinn Vandecasteele’s road through Winston-Salem 2026.
SF✓ Q. Vandecasteele66L. Tu32
SF✓ P. Herbert646K. Miyoshi262
F✓ Q. Vandecasteele377P. Herbert665
R64LIVEQ. Vandecasteele0J. Duckworth0
R32––
R16––
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Live Odds
Current prediction-market probability, updated as prices change.
Quinn Vandecasteele is trading at 26% to beat James Duckworth at Winston-Salem Open on Polymarket.
source: Polymarket
Player Overview
Key facts and market numbers.
Tour
ATP
Born
1 September 2002 (age 23)
Playing this week
Country
🇺🇸 United States
Singles ranking
No. 458
Career-high ranking
No. 449 (April 20, 2026)
Quinn Vandecasteele is a professional tennis player from the United States competing on the ATP circuit, born 1 September 2002.
Recent Results
Completed matches, newest first.
Wdef. P. HerbertWinston-Salem · 2026-08-233-6 7-6 7-5Wdef. L. TuWinston-Salem · 2026-08-226-3 6-2Llost to T. SchoolkateBrownsburg (Usa) – Qualification · 2026-08-14$284.1K · was 32%6-2 2-6 4-6Wdef. A. ShelbayhBrownsburg (Usa) – Qualification · 2026-08-13$80.5K · was 32%6-4 6-3Wdef. A. RaiBrownsburg (Usa) – Qualification · 2026-08-106-3 6-2
Market Profile
Where the market places this player right now – every slider is computed from live Polymarket data, nothing is editorial.
Latest Insights
The latest tennis headlines from our approved sources – links go to the source.
Insights
Winston-Salem Open: match winner?
Live prices from Polymarket