The four Grand Slams offer a trophy and place in the history books as well as significant prize money. Here is what you need to know about the prize pot on offer at the U.S. Open 2025, the fourth and final major of the year: WHEN IS THE 2025 U.S. OPEN HAPPENING? * The hardcourt tournament will run from August 24 to September 7. WHAT IS THE TOTAL PRIZE FUND?