The Spaniard enjoyed a 5-1 success over the third-tier side thanks to goals from Davide Bariti, Blerim Dzemaili, Soma Novothny and an Emanuele Calaio double.
Benitez is pleased to get his tenure at the club under way with a victory, specifically praising the tempo at which his side played.
"It is a positive debut in our first pre-season friendly,” he told the club's official website.
"We did what we wanted to on the field, those things that we practiced during the week in training."
"In general we did good things and others that we can still improve on. We’re happy to have scored five goals and played with intensity after a week of double training sessions."