Day 7, Manic Monday: Most of the top seeds have cruised via straight-set victories -- Rafael Nadal, Roger Federer, Novak Djokovic, Serena Williams and Simona Halep bringing an end to 15-year old Cori Gauff's dream run in the round of 16. Flying the flag @JohannaKonta fights back from a set down for the second match in a row to progress …