The 1990 World Series Challenge was an invitational snooker tournament played in Hong Kong from 22 to 26 August 1990, organised by IMG.

[1][2] James Wattana won the title by beating Jimmy White 9–3 in the final.

[3] James Wattana beat four of the top six ranked players on his way to winning the title.

He also compiled the highest break, 127, in the first frame of his match against Steve Davis.

The event was televised and attracted twenty million viewers in Thailand.