The pair play one another for a twenty fifth time, with Littler, 18, aiming for an additional main title after cruising into this last.
He decimated Jonny Clayton 5-1 on Saturday within the final 4, after beating Mike De Decker, Gian van Veen, and Gerwyn Worth within the earlier rounds.
Humphries, the world No1, beat Danny Noppert in his semi-final 5-3 to observe wins over Cameron Menzies and Chris Dobey.
The final time these two met was in New Zealand again in August, with Littler rising the 8-4 victor.
What’s the 2025 World Grand Prix darts prize cash?
This night, they play for £120,000, the winner’s share of the £600,000 prize fund of this competitors. The runner-up walks away pocketing £60,000.
For these knocked out within the earlier phases, a first-round exit was value £7,500, and the second spherical was double that at £15,000.
Reaching the quarter-finals netted gamers £25,000, and defeated semi-finalists earned £40,000.
