The American eliminated world no.1 and the recent French Open champion to advance.
The two champions have created a buzz at the All England Club.
The Spaniard defeated Nick Kyrgios in a fiery second-round match
The 5-time major champion was forced to retire in her first round match at Wimbledon
The Russian was sidelined for 16 months due to injury
The Spaniard defeated Dominic Thiem for Roland Garros championship
Returning to the sport with a fresh perspective, the future looks bright for the Australian
The Australian will go for her first slam on Saturday