 Complete the following phrase:  The 2007 World Cup of Pool was a pairs nine-ball tournament played at the Outland nightclub in Rotterdam, Netherlands. The tournament was played between 25 and 30 September 2007 as scotch doubles, with players taking shots alternatively. Matches were played as a -to-nine until the final, which was played as a race-to-thirteen. The tournament was a single-elimination bracket, consisting of 32 teams. The event was played with winner system, as opposed to the alternative breaks format used in the 