Richie Porte has taken the overall lead with one stage to go in the eight-day Criterium du Dauphine, a key proving ground for the Tour de France.
The Australian took the yellow jersey on Saturday after finishing second on stage seven, reaching the La Plagne summit behind Mark Padun.
Porte made his attack on the mountain stage after being given the all clear from Ineos Grenadiers teammate Geraint Thomas.
"At the end of the day, it was a good move. It's nice to have numbers and a strong team to be able to do that," he told cyclingnews.com.
Porte sits 17 seconds in front of Kazakhstan's Alexey Lutsenko and 29 ahead of Welsh star Thomas, with the final stage on Sunday.
He was in the same position going into the last stage at the Dauphine in 2017 but he fell agonisingly short.
"This is one of the races that I haven't won that I'd really love to win," Porte told cyclingnews.com.
"I've been here before, four years ago, and I know how the last stage of this race can pan out," he added.
"So I know it's going to be a battle tomorrow. But I'm happy. I'm 36 years old and I'm wearing a jersey."
The Tasmanian has been in strong form this year, claiming second overall at both the Volta a Catalunya and Tour de Romandie.
It bodes well for Porte as he searches for his maiden Tour de France victory in July, having come third in 2020, his best result at the event.
That followed heartbreaking crashes in 2017 and 2018, and 11th place in the shortened 2019 Tour.