Ana Ivanovic was unceremoniously tossed out of the US Open on Thursday by an obscure Frenchwoman who had never played a tour-level match.
Former world number one Marat Safin sent third seed Novak Djokovic crashing out of Wimbledon on Wednesday.
Five-time champion Roger Federer put his growing army of doubters firmly in their place by storming into the Wimbledon second round on Monday.