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 Pedro Martinez and Kamil Majchrzak in the Swiss Indoors Basel, Qualification, scheduled for October 18 at 5:00AM ET.

This market will resolve to 'Martinez' if Pedro Martinez advances against Kamil Majchrzak.

This market will resolve to 'Majchrzak' if Kamil Majchrzak advances against Pedro Martinez.

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.

Kamil Majchrzak vs. Pedro Martinez Betting Odds & Predictions (Oct. 18, 2025) | Polymarket

Moneyline$4k Vol.

ATP

Moneyline
$4k Vol.