Use the internal polymarket geolocation service.

poly_geo

Improved notification preferences and types.

notifications_v2

funkit_deposit

funkit_withdraw

authenticated_book_ws

Improved in-game view for sports markets.

mobile_sports_overlay_v2

async_order_submission

Enable updates from the sports websocket.

sports_websocket

This is a polymarket on the tennis match between Carlos Alcaraz and Jannik Sinner in the Six Kings Slam, scheduled for October 18 at 2:00PM ET.

This market will resolve to 'Alcaraz' if Carlos Alcaraz advances against Jannik Sinner.

This market will resolve to 'Sinner' if Jannik Sinner advances against Carlos Alcaraz.

If the match is canceled (not played at all), ends in a tie, or is delayed beyond 7 days from the scheduled date without a winner determined, this market will resolve to 50-50.

If the match ends in a walkover (player withdraws before the start and the other advances automatically), this market will resolve in favor of the player(s) who officially advances to the next round.

The primary resolution source will be official information from the ATP Tour. A consensus of credible reporting may also be used.

Jannik Sinner vs. Carlos Alcaraz Betting Odds & Predictions (Oct. 18, 2025) | Polymarket

Moneyline$214.2k Vol.

ATP

Moneyline
$214.2k Vol.