2006 WPA World Nine-ball Championship

The 2006 WPA World Nine-ball Championship was the seventeenth edition of the WPA World Nine-ball Championship and took place between 4 and 12 November 2006 at the Philippine International Convention Center in Pasay, Philippines. The event was to be held for the first time in the Philippines, on a two-year deal, including the 2007 WPA World Nine-ball Championship. The championships were hosted by the World Pool Billiard Association (WPA).

Ronato Alcano won the championship with a 17–11 win in the final against Ralf Souquet of Germany. Defending champion Wu Chia-ching was defeated in the quarter-final by Alcano.

Tournament format
The event featured 128 players, with an. The event featured a preliminary round robin format to half the field to 64; where the event changed to a knockout format.

Preliminary round
The Preliminary round was played over three days between 4 and 7 November. There were 32 groups of 4, with the first two in each group progressing. Nine top 32 players were knocked out in this section


 * 🇵🇭 Alex Pagulayan (4)
 * 🇫🇮 Mika Immonen (11)
 * 🇺🇸 Rodney Morris (12)
 * Niels Feijen (18)
 * 🇵🇭 Jose Parica (23)
 * Alex Lely (25)
 * Chang Pei-Wei (26)
 * 🇩🇪 Christian Reimering (28)
 * 🇯🇵 Kunihiko Takahashi (29)

Final round
The qualifying 64 players would play a knockout structure over six days. The first two rounds were competed as "race to 10", the next three rounds as "race to 11", and the final, as a "race to 17".