Resolution criteria

This market will resolve to "Yes" if any player other than Carlos Alcaraz or Jannik Sinner wins a Grand Slam men's singles title in 2025. The remaining Grand Slam tournaments are:

• Wimbledon: June 29–July 12, 2025

• US Open: August 31–September 13, 2025

Official tournament websites and reputable sports news outlets will serve as sources for determining the winners.

Background

As of June 10, 2025, the first two Grand Slam tournaments of the year have concluded:

• Australian Open: Jannik Sinner successfully defended his title, defeating Alexander Zverev in the final. (en.wikipedia.org)

• French Open: Carlos Alcaraz won his second French Open title, overcoming Jannik Sinner in a historic five-set final. (en.wikipedia.org)

Both Alcaraz and Sinner have demonstrated dominance in recent Grand Slam events, with Sinner winning the 2024 Australian and US Opens, and Alcaraz claiming the 2024 French Open and Wimbledon titles. (atptour.com)