Jasper Wiese, who earned his 50th Test cap in the 42-38 loss to Australia at Perth Stadium, believes the defeat will serve the Springboks well ahead of the 2027 World Cup — even as it stings.

The match descended into chaos as referee Andrea Piardi issued a succession of yellow cards that reduced Australia to 11 players at one point, yet the Wallabies still held on to win by four points. The Boks trailed by 25 before mounting a furious late comeback, falling just short.

"We learnt some good lessons against the Wallabies," Wiese said. "You always want to win while learning, but sometimes a loss is maybe necessary, although it is never a good thing. Being 25 points down and losing the game by four points in a matter of 10 minutes, I think it shows what this group is about."

Wiese pointed specifically to the logistical and environmental knowledge gained from the two-week Australian stay as directly transferable to World Cup preparation. The squad based themselves in Terrigal on the New South Wales coast before moving to Perth, replicating the kind of travel demands they will face in 2027. The Boks are scheduled to open their World Cup campaign against Italy in Adelaide on 3 October before returning to Perth to face Romania on 17 October.

"We got to know the environment that we're going to be in when we're here for the World Cup," Wiese said. "The travel arrangements and stuff when we're playing a few games in Perth — those are valuable lessons we can definitely take into next year."

On reaching 50 caps, Wiese was characteristically measured. "If you represent your country once, it's a massive privilege, but to be able to do it 50 times is wonderful. This is an unbelievable group, and I am privileged to have done it with them."

Johan Esterhuizen, who captained the Boks for the first time in the match — becoming the 68th man to lead the side — acknowledged the team had no business being in a position where a comeback was necessary. "We should never have been in that situation. We put ourselves there," he said. "I think the fans and people watching the game really enjoyed it, but we should be better and not get into such situations."