Tournament Run
Sofia Costoulas’s road through US Open 2026.
QF✓ S. Costoulas76J. Ruggeri54
QF✓ E. Kalieva616K. Mladenovic261
SFLIVES. Costoulas62E. Kalieva32
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Live Odds
Current prediction-market probability, updated as prices change.
Sofia Costoulas is trading at 90% to beat Elvina Kalieva at US Open, Qualification WTA on Polymarket.
source: Polymarket
Player Overview
Key facts and market numbers.
Tour
WTA
Born
2 April 2005 (age 21)
Playing this week
Country
🇧🇪 Belgium
Singles ranking
No. 160
Career-high ranking
No. 134 (30 March 2026)
Sofia Costoulas is a professional tennis player from Belgium competing on the WTA circuit, born 2 April 2005.
Match History
Every Sofia Costoulas match our markets have settled, newest first. Each opens its own page with the score and the price history.
Recent Results
Completed matches, newest first.
Wdef. J. RuggeriUS Open · 2026-08-26$35.7K · was 82%7-5 6-4Llost to M. JorgeW35 Vigo · 2026-08-146-7 0-6Wdef. S. C. RojasW35 Vigo · 2026-08-136-3 6-3
Market Profile
Where the market places this player right now – every slider is computed from live Polymarket data, nothing is editorial.
Latest Insights
No fresh headlines about Sofia Costoulas from our sources yet.
US Open, Qualification WTA: match winner?
Live prices from Polymarket