I don't have every game on the Geo Filter list, but here's a list games it doesn't work with. No matter what filter I put on, it's never selected the best server for the lowest ping. Most of these games that force Skill Based Matchmaking trump the router every time. Call of Duty is the only game where I've seen the router do something. And all it did was not allow me to connect to anything outside my filter; however, the skill based matchmaking wouldn't find me a match within my filter range.
Apex Legends
Arc Raiders / The Finals
Counter Strike 2
Call of Duty/Warzone
Dead By Daylight
Delta Force
League of Legends
Rematch
Valorant