Hall of Fame Open

The Hall of Fame Open is an international tennis tournament that has been held every year in July since 1976 at the International Tennis Hall of Fame in Newport, Rhode Island, the original location of the U.S. National Championships. It is held on outdoor grass courts, and is since 1988 the only grass court tournament played outside Europe.

The event, which was part of the Grand Prix tennis circuit from 1976 to 1989, typically featured a 32-player singles draw and a 16-team doubles tournament. Up until 2011, when John Isner won the tournament, the top seed had never triumphed at Newport, a trait that has led to the moniker "the Casino Curse", due to the location of the Hall of Fame at the Newport Casino.

The ATP 250 series event was known as the Infosys Hall of Fame Open from 2023 until 2025. In 2025, it was downgraded to a Challenger 125 series event, but also expanded to become a combined tournament with the inclusion of a women's WTA 125 series event. The tournament was moved up one week, coinciding with the second week of Wimbledon, to attract players who lost in the first week of Wimbledon. The International Tennis Hall of Fame induction ceremony, formerly held during the tournament, was shifted to August.