1990-1991 Season Wattana started this season at the 32 nd seed of the world and he finally won the first tournament, 555 World Series at Hong Kong by beating Terry Griffiths, Doug Mountjoy, Steve Davis, and Jimmy White with scores 5-0, 5-1, 5-2 and 9-3 respectively.

After that, James had not succeeded in any other following tournament until another invitational tournament Cathay Pacific Challenge that he won in this season.