Pakistan, June 16 -- Australia's bid to win back-to-back World Test Championships ended in disappointment after they lost an engrossing final to South Africa at Lord's.

The next assignment for Pat Cummins' side is a three-Test tour of West Indies which starts in Barbados on 25 June.

Beyond that there is, of course, a highly-anticipated Ashes series against England on the horizon later this year.

Cummins said after Australia's five-wicket defeat there are some big calls to be made over the next few weeks.

"After this Test match, everyone is thrown back into the conversation so it's a bit of a reset for the first Test [in West Indies]," Cummins said.

"We've obviously got a team here that got us to the final so it's about when do we fee...