ISLAMABAD - Pakistan will take on Great Britain in their opening fixture of the Beijing Olympic Games hockey event on August 11. Hosts China will meet Germany in the opening match of the world sports gala. As many as 12 teams will vie for the top honour in the prestigious international event. Pakistan have won gold medal thrice in past. Pakistan earned gold in 1984 Los Angles Olympics last time under the leadership of Manzoor Junior. According to schedule announced by the Beijing Olympics Games Organising Committee (BOGOC) and Federation of International Hockey (FIH), the green shirts will play five matches in the preliminary round to be held from August 11 to 19 and meet with all the other teams of pool. Pakistan is bracketed in pool B along with Australia, New Zealand, South Africa, Canada and Great Britain. The pool B comprises Netherlands, Australia, China, Spain, Korea, and South Africa. Pakistan's only hope for medals in Olympics, hockey team will meet Canada on August 13, Australia on August 15, South Africa on August 17 and New Zealand on August 19. The semi-finals of men's event will be played on August 21 while final and third position will be played on August 23. It is penitent to mention that Pakistan will participate in four disciplines including hockey, shooting, swimming and athletic, as Pakistan got wild card entries in the all three games besides hockey. Beijing Olympic Games 2008 will be held from August 8 to 24 in the capital city of China.