![UN Women on X: "In 1973, @BillieJeanKing threatened to boycott the #USOpen unless women were given #equalpay. That year, the tennis tournament became the 1st to offer equal prize money for women UN Women on X: "In 1973, @BillieJeanKing threatened to boycott the #USOpen unless women were given #equalpay. That year, the tennis tournament became the 1st to offer equal prize money for women](https://pbs.twimg.com/media/EhbTq4HWkAEfER5.png)
UN Women on X: "In 1973, @BillieJeanKing threatened to boycott the #USOpen unless women were given #equalpay. That year, the tennis tournament became the 1st to offer equal prize money for women
![Tennis star Rosemary Casals, who fought for equal pay for women, reflects on progress made - CBS News Tennis star Rosemary Casals, who fought for equal pay for women, reflects on progress made - CBS News](https://assets1.cbsnewsstatic.com/hub/i/r/2023/09/09/14498d90-f534-41fd-9072-6e9184332644/thumbnail/640x596/da33359111e0e3d0f0797d0a5ffeec38/gettyimages-1178740010.jpg?v=47479038714af14683e43d6675dccca0)
Tennis star Rosemary Casals, who fought for equal pay for women, reflects on progress made - CBS News
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