I wouldn't choose based just off recent wins. In my opinion VP beats North because of the home crowd and they've just seen better in this tournament for me.
For BIG vs Immortals, it's a close one, but I think BIG narrowly takes it, but it could be either one of the two.
SK Astralis will be SK again I think just because they are in much better form than Astralis.
And Gambit is going to destroy Fnatic I think because they seem to be in much better form than Fnatic to me.