The tour began in 2003, and is sanctioned by the World Pool-Billiard Association.
The winner in each leg of the tour receives a cash prize and points for the ranking for the yearly WPA World Nine-ball Championship.
San Miguel Beer and 188BET were the sponsor of the tournament prior to 2007, when this slot was taken over by Guinness.
The players in a particular group play in round-robin where the one who's on top moves into the quarter finals.
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