SEMMERING – Petra Vlhova posted the fastest time in the opening run of a women’s World Cup giant slalom on the Zauberberg course Monday, two years after she won her first race in the discipline on the same hill.The GS world champion from Slovakia finished her clean run in 1 minute, 2.15 seconds to lead Marta Bassino by 0.22.The Italian won the first two giant slaloms of the season, but both she and Vlhova failed to finish the previous race in France two weeks ago.Switzerland’s Michelle Gisin was 0.35 behind in third, followed by Mikaela Shiffrin, who had 0.59 to make up in the second leg.The American three-time overall champion triumphed in the previous GS for her first win since returning to the circuit from a 10-month break.Vlhova said.