The 23-year-old double Olympic medallist, already the Ski Flying and Four Hills champion this season, has now established a 599 point lead in the standings after his success on the Kazakh hill.

That means that a 30th place finish at tomorrow's second event in Almaty will be enough for a first overall World Cup title.

After 13 World Cup wins this season, achieving that will be a mere formality for a man who has dominated this season's events.

Prevc registered jumps of 141 metres and 137.5 metres today for a points tally of 272.7.

Austria's Michael Hayboeck, who had won the last three World Cup events in a row, continued his late season form with second place after efforts of 138m and 133m gave him 254.7 points.

World champion Severin Freund of Germany rounded off the podium with two jumps of 135m and 252.0 points.

Freund is second in the overall standings on 1199 points with Hayboeck third on 1098.

There was also a familiar tale in the women's World Cup with Japan's Sara Takanashi, who has already sealed the overall World Cup crown, taking the Almaty honours.

The success was the 13th victory of the season for the 19-year-old and came after jumps of 101m and 103m gave her 252.6 points.

Austria's Daniela Iraschko-Stolz, one of only two other women to win a World Cup event this season, was second after efforts of 97m and 100.5m saw her finish on 245.3.

Another Austrian, Jacqueline Seifriedsberger, gained a third bronze medal of the season with 239.2 points after jumping 98.5m and 99m.