Goa, Nov. 1 -- Australia are facing mounting criticism following their 2-1 Test series defeat to South Africa, with former cricketers David Warner and Mark Waugh questioning the team's batting approach and calling out what they described as an unacceptable performance in the deciding match.

The criticism followed Australia's dramatic collapse in the third Test at Newlands in Cape Town. Chasing a target of 288 on the fifth day, Australia were bowled out for just 111, handing South Africa a comprehensive victory and allowing the hosts to claim the series after Australia had initially taken a 1-0 lead.

The defeat also had consequences for the International Cricket Council (ICC) Test rankings, with defending world champions South Africa mov...