The good news is that Melbourne's notoriously fickle weather is set to change again on Sunday with forecast highs of 24C.

Given all 11 teams are in the same boat, starting from scratch, Vasseur was keen to play down expectations for the season-opener in Australia in early March.

A major upheaval of the sport's technical rule book has meant a race against time for teams to be ready for the new season.

Gauff has won the US Open and French Open, but she has never triumphed at the Australian major.

A drained, hobbling and angry Nick Kyrgios said he did not know where his career was going next.