Imagine Carlos Alcaraz and Emma Raducanu competing together for a Grand Slam trophy. How about Madison Keys and Frances Tiafoe as a duo? Iga Swiatek alongside Casper Ruud? Or Naomi Osaka with Nick ...

Nine of the world's top-10 men and nine of the top-10 women have officially entered into the U.S. Open's revamped mixed doubles event, tournament organisers said on Tuesday, with former singles ...