Wales kicked things off against the Netherlands in a 17:00 BST start at the Swissporarena in Luzern, before England marked their start to the tournament with a game against France a few hours later at Stadion Letzigrund in Zurich.
There were Reds involved in all four squads in Saturday's Group D action, as the nations battle for a spot in the knockout rounds.
Keep scrolling to see how our representatives fared in the matches...
It was the perfect start to the tournament for Dominique Janssen and her fellow Dutch stars, as they defeated Wales in a confident 3-0 win.