He moved back to New South Wales after 2 seasons with the Tigers and was part of the successful 1992–93 Sheffield Shield-winning team.

Robertson made his Test debut for Australia in March 1998 against India in Chennai.

However, a Sachin Tendulkar century helped the Indians to post a match winning total in the second Innings.

He is also a regular panelist of Fox Sports program Bill & Boz.

In May 2019 he was diagnosed with a brain tumour, and undertook operations and chemotherapy as treatment.