đ 2023 Apex PBS Wisconsin Open đ May 17 – 21, 2023 đ Ho-Chunk Gaming Wisconsin Dells, Baraboo, WI (USA) ⸠The Apex Wisconsin Open is the 2nd stop of the 2023 Predator U.S. Pro Billiard Series by CSI, a series of six open professional events. The winner of each competition receives a guaranteed spot in the following year Predator WPA World 10-Ball Championship.