So these are the missing matches thus far. I'll go ahead and post the ones that are missing in the Eastern America and Eurasia Groups, although the winner has already been decided in those groups. Those matches in those groups are optional.
Atlantic Group
elahrairah13 vs. fit1one - Cornucopia
Young Nick vs. elahrairah13 - Hinterlandsfit1one vs. Kirian - Hinterlands
Jonts26 vs. DG - HinterlandsEastern America Group
Masticore vs. blueblimp - Prosperity
Voltaire vs. Masticore - Cornucopia
Voltaire vs. blueblimp - HinterlandsCentral Europe Group
AngBoy vs. Lekkit - Cornucopia
Fabian vs. AngBoy - Hinterlands
StickaRicka vs. ugasoft - Hinterlands
Eurasia Group
Mangsky vs. Geronimoo - AlchemyMangsky vs. luliin - Prosperity
luliin vs. Geronimoo - Cornucopia
Just a friendly reminder
Edit: Congratulations to DG on winning the Atlantic Group. There's only the Central Europe Group to be decided, so try to play them by Sunday!