However, Sanfrecce Hiroshima's 1-0 win over part-timers Auckland City offered little opportunity to test its effectiveness in a game of few chances.
FIFA are using two systems in Yokohama and Toyota City after finally bowing to calls to eliminate 'ghost' goals from the game.
GoalRef, which uses a microchip coil in the ball and low magnetic waves around the goal, was used in Thursday's game with no problems reported.
FIFA said pre-match tests conducted by the referee at both ends of the pitch 100 minutes before kickoff were successful.
Hawk-Eye, widely used in cricket and tennis, will be used in Sunday's quarter-finals in Toyota.
FIFA will be given analyses from the competing companies in January and decide which system to use at next year's Confederations Cup in Brazil.
The technology was not needed as Hiroshima eased past the New Zealanders thanks to Toshihiro Aoyama's dipping drive in the 66th min, although Yojiro Takahagi and Ryota Moriwaki hit the woodwork from long distance after the break.