(https://s18.postimg.org/tkbehhpnt/Capture.png)
nothing against any of these players, but this is the hardest game mode? really? Your chances of winning this are 10% if you are good, +/- some percentage points based on a bunch of arbitrary variables out of your control.
Does this even remotely compare to a prestigious solo tournament, that requires years and years of practice, study, talent & skill (both of which you need in considerably lower amounts in ffa)? No, it doesn't even compare. It is magnitudes easier in FFA. Even a bad player can have a great shot at winning an FFA game.
It's still impressive and they should feel awesome for accomplishing league victories, and while it may not always have taken an incredible amount of mechanical skill, it took a large amount of different types of skills nonetheless, and it is impressivebut it isn't anywhere near solo level.