'The Nuke' stormed to a 2-0 lead, but Noppert would hit back with two rounds of his own.
Littler then went on a rampage, claiming the next six, to lead 8-2 and put the match beyond his opponent.
Noppert would get one round back, before 'The Nuke' finished with a score of 10-3.
Littler will face Belgium's Mike De Decker in the quarter-finals tomorrow afternoon.
Earlier, De Decker beat Niels Zonneveld 10-4 to put himself on a collision course with Littler.
In the other quarter-finals, Connor Scutt will face Dirk van Duijvenbode, Scott Williams will take on Ross Smith and Ryan Joyce will battle title holder Luke Humphries.
