A prediction market for the July 10, 2026, tennis match between Mananchaya Sawangkaew and Mary Stoiana has opened on Robinhood, allowing users to bet on the outcome of the match. According to the platform, Sawangkaew is listed at 57¢, while Stoiana is at 43¢.

Market Mechanics and Rules

The market determines the winner of the professional tennis match between Sawangkaew and Stoiana in the 2026 WTA 125K Newport Quarterfinal — the market resolves after the first ball is played. If the match does not occur due to injury, walkover, forfeiture, or any other cancellation before the match starts, the market will resolve to a fair price as per the rules. If the match is postponed or delayed, the market will remain open until the rescheduled match concludes within two weeks.

Participants receive $1 for every contract they own if their prediction is correct; they may also close their position before the event resolves, but Additional fees apply, and users are encouraged to read the full contract terms and conditions before trading.

Trading Prohibitions and Restrictions

Trading in the prediction market is restricted for several groups, including current and former players, coaches, and staff of the governing league, association, or organization, but For college leagues, this applies to current and former players, coaches, and staff of the specific teams involved. Paid employees of the league and participants, as well as team and league owners, are also prohibited from trading; In addition, immediate family members and household members of the above are not permitted to trade. Employees of any of the Source Agencies are also restricted from trading on the contract.

Individuals who possess material. Non-public information about the match are not allowed to trade on the contract — these restrictions aim to ensure fair trading and prevent conflicts of interest. Restrictions and eligibility requirements apply broadly to all participants.

Risks and Disclaimers

The platform emphasizes that trading in prediction markets involves significant risk and may not be suitable for all investors. Users are encouraged to carefully consider their financial circumstances before engaging in such trading. The Event Contracts Risk Disclosure provides more information about the risks associated with event contracts.

Live data provided by the platform is for informational purposes only and may be delayed or incorrect. Event contracts are offered by Robinhood Derivatives, LLC through either KalshiEX LLC, ForecastEX, LLC, or Rothera Exchange and Clearing LLC. Users should be aware of the potential risks and ensure they understand the terms and conditions before participating in any trading activity.