Thibault Tricole and Neil Duff became the first players from their respective countries to reach a World Championship final on a night that also saw Beau Greaves make more history as the youngest-ever player to book a finals place.
Kirsty Hutchinson produced an outstanding performance to beat Rhian O’Sullivan 3-2 and reach the final of the 2022 WDF Women’s Championship as the Boys’ final was also determined at Lakeside.
Saturday's afternoon session will see Leighton Bennett begin his bid to become a two-time Boys' World Champion against Charlie Large, with Bradly Roes facing Luis Liptow in the other semi-final.
Two days after breaking the tournament average record, Richard Veenstra came agonisingly close to the first nine-darter at Lakeside in 32 years as he defeated top seed Brian Raman 4-2 to make his second career World Championship semi-final.