World number four Jessica Pegula said the controversial mixed doubles event at the U.S. Open could generate strong spectator interest but urged organisers to improve communication with players before making major format changes. The year's final Grand Slam announced in February that its mixed doubles competition, which will offer $1 million in prize money, would take place from August 19-20 ahead of the singles main draw the following week. The competition's format was also overhauled to