In a battle between two wildcard teams, the all-British pairing of Barnett and O'Mara edged former Doubles World No.1 players Williams and Murray, 3-6, 6-4, 7-6[18-16] in a two-hour and 12-minute clash on No.2 Court.
In her Centre Court debut, Anisimova dropped the first set from a winning position, but she bounced back in two hours, 7 minutes for a 6-7(4), 6-2, 6-1 win.