South Africa vs Australia 1st Test Day 1 Live Score: Jansen leaves Smith clueless as AUS struggle continues after lunch

Australia struggled on the first day of the first Test against South Africa, losing three wickets including Marnus Labuschagne, who fell just short of a half-century.

The team was rescued by Steve Smith, who remained unbeaten on 48 at lunch.

The match is significant for Australia as they aim to retain the urn in the four-match series.