Australia on top after Pucovski, Labuschagne fifties on rain-hit Day 1 in Sydney

Before the start of the third Test, fans wearing personal protective equipment arrive at the Sydney Cricket Ground. (Reuters)

David Warner walks back after being dismissed on 5 by Mohammed Siraj early on Day 1. (AP)

The ground staff bring the covers out to the field as rain stops play on Day 1. (AP)

Marnus Labuschagne, left, reacts as he hits the ball to Jasprit Bumrah. (AP)

Will Pucovski, right, is congratulated by teammate Marnus Labuschagne after hitting a half-century on his debut. (AP)

Navdeep Saini is congratulated by teammates after dismissing Will Pucovski on 62. (AP)

Steve Smith (31*) and Marnus Labuschagne (67*) helped Australia end the day on 166/2. (AP)

Ajinkya Rahane, left, walks from the field with teammate Jasprit Bumrah following play on Day 1. (AP)