| Tournament Name: | 1990 World Series Challenge |
| Venue: | Hong Kong Hilton |
| Country: | Hong Kong |
| Organisation: | IMG |
| Format: | Non-ranking event |
| Total Prize Fund: | £71,000 |
| Winners Share: | £20,000 |
| Highest Break: | James Wattana (127) |
| Winner: |  James Wattana |
| Runner Up: | Jimmy White |
| Score: | 9–3 |
| Previous: | 1988 |
| Next: | 1991 |
The 1990 World Series Challenge was an invitational snooker tournament played in Hong Kong from 22 to 26 August 1990, organised by IMG. It featured seven of the top eight ranked players (John Parrott was the exception, being replaced by Steve James), two other professionals James Wattana and Franky Chan, and two amateurs.[1] [2] James Wattana won the title by beating Jimmy White 9–3 in the final.
It was the first event of the 1990–91 snooker season.[3] James Wattana beat four of the top six ranked players on his way to winning the title. He also compiled the highest, 127, in the first of his match against Steve Davis. The event was televised and attracted twenty million viewers in Thailand.[4]
The event was sponsored by 555 and had a total prize fund of £71,000 awarded as follows:[5]