The historic day arrived and the QS returned to Puerto Rican waters with men's and women's battles taking on the lineup of El Rastrial. Bryan Perez and Chelsea Tuach brought their world-class experience and put on a showcase for the day's best performances. Plus, Nadav Attar's stunning last-minute antics sent him to the Round of 96 in excellent form. Bailey Turner, Zoey Kaina, and a plethora of emerging talents stole the show on opening day and now a big Day 2 awaits in Arecibo.