England appeared to have rediscovered the game that took them to the top of the one-day global rankings just in time as they bid to win their first World Cup title.
"We´re batting first because it looks a good wicket and the nature of our team means we´re playing a second spinner", said Du Plessis.
Chasing 326 for victory to top the ladder, Australia left Old Trafford battered and bruised after being plunged into a sudden-death semi-final against England on Thursday.
The Down Under team will take on England in the semi-final on July 11.
What was looking like a 2015 final re-match instead turned into a World Cup showdown not seen since 2003, with the Black Caps' group stage match against India being washed out in Nottingham - giving each side a point which proved to be pivotal in their eventual semifinal positions.
During his knock, Rohit also became the highest scorer in the group stages of the World Cup with 647 runs, beating the records of Matthew Hayden and Sachin Tendulkar.
He said that India and Australia can even go all the way to the finals. Had they won this match at Old Trafford, they would have stayed back in Manchester to take on New Zealand on Tuesday, the only team to not have won a single match against the other semi-finalists.
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The top seed will take on American Alison Riske in the fourth round on Monday. "Today at 4-1, that was a really important game". Switching to clay, her least successful surface, she reached the finals in Rabat and Rome, and then the semis of Roland Garros.
"It´s been nice to recharge our batteries in the last few days and get our feet up", said Australia captain Aaron Finch.
Australia were defeated at the hands of South Africa by ten runs and as a result, the team finished at the second spot in the tournament standings with 14 points from nine matches.
Australia are the most improved team in the competition while India the most steady.
Both the sides are playing their ninth and the last league match which will not make any difference to the two teams as the Aussies are already in the semifinals and the Proteas are out of the tournament. One of the images of the World Cup has been his leaps every time he has reached three figures.
Like England, New Zealand have never won the World Cup, although they have certainly had their fair share of missed opportunities having previously contested seven semi-finals.
South Africa have played 618 ODIs since 1991, winning 380 and losing 215 matches with six tied and 17 NR matches.
India have been missing the services of Shikhar Dhawan who had earlier been ruled out of the World Cup due to a broken thumb.