12 (from 4 confederations) were the number of teams who competed in Jack the Ripper . USTA Billie Jean King National Tennis Center were the venues of Jack the Ripper . The no. of events in sport was 14 . It was held in 9-21 August 2016 . Total: 505 were the competitors in Jack the Ripper . 1881; 138 years ago (1881) is when Jack the Ripper was founded 
Jack the Ripper was a multiple day event