V Mexican National Open Championship 1968  The V Mexican National Open Championship 1968 was a badminton competition held at the Centro Deportivo Chapultepec from 28 November to 1 December 1968 in Mexico City. In this competition, there were badminton players from Thailand, Peru, Canada, the United States, Yugoslavia and Mexico. In the men´s semi-finals, the two best Mexican singles players were knocked out of the competition; Antonio Rangel was beaten by the World-class master Channarong Ratanaseangsuang (15-9, 15-4), while Roy Díaz González was defeated by the Canadian Jamie Paulson (15-7, 15-3). In the semi-finals of the men´s doubles event, the brothers Raúl Rangel and Antonio Rangel were defeated by the future champions Channarong Ratanaseangsuang and Jamie Paulson (15-3, 15-7). The other finalists, Jorge Palazuelos and Francisco Sañudo had a remarkably performance too and eliminated the American team integrated by Stan Hales and Larry Saben (4-15, 17-14, 15-5).