I think it's time to finish with Group A too. Flameless Hero and SV Spartanen haven't been active enough to play their remaining matches, which will be awarded 0-3.
GROUP A fixtures:
Pride of Mokum - [FS] SV Spartanen 3-0(awd)
[FS] SV Spartanen - Pride of Mokum 0-3(4-0, but with old bot lineup)
Simmeringer SC - Flameless Hero FC 2-0 https://rockingsoccer.com/en/soccer/info/match-11629890
Flameless Hero FC - Simmeringer SC 0-3(awd)
[FS] SV Spartanen - Simmeringer SC 0-3(awd)
Simmeringer SC - [FS] SV Spartanen 3-3
https://rockingsoccer.com/nl/voetbal/info/match-11658887
Flameless Hero FC - Pride of Mokum 1-0
https://rockingsoccer.com/en/soccer/info/match-11650850
Pride of Mokum - Flameless Hero FC 1-0
https://rockingsoccer.com/en/soccer/info/match-11659215
Pride of Mokum - Simmeringer SC 0-1
https://rockingsoccer.com/en/soccer/info/match-11650794
Simmeringer SC - Pride of Mokum 3-3
https://rockingsoccer.com/en/soccer/info/match-11683958
Flameless Hero FC - [FS] SV Spartanen 0-3(awd)
[FS] SV Spartanen - Flameless Hero FC 0-3(awd)
Table:
Simmeringer SC 6 4 2 0 15-6 14p
Pride of Mokum 6 3 1 2 10-5 10p
Flameless Hero FC 3 2 0 4 4-9 6p
SV Spartanen 1 1 1 4 6-15 4p
So the missing quarterfinals are
Simmeringer SC - il est beau mon choufleur
il est beau mon choufleur - Simmeringer SC
ManUtd - Pride Of Mokum
Pride Of Mokum - ManUtd