The United Rugby Championship quarterfinals are now confirmed with eight teams from across Ireland, South Africa, Scotland and Wales reaching the playoffs, which take place on 29 and 30 May.
Stormers coach John Dobson was left searching for answers after a woeful performance against Cardiff cost his side a chance of a home URC semi-final and final.
The Stormers' hopes of securing a top-two finish in the United Rugby Championship came crashing down as they slumped to a 22-16 defeat to Cardiff in Wales on Friday night.
Ulster captain Iain Henderson has been handed a three-match suspension for the tackle that left Stormers flanker Deon Fourie injured during last Friday's URC clash in Belfast.
Tighthead prop Neethling Fouche will captain the Stormers in their final United Rugby Championship league match of the season against Cardiff on Friday night.
The Stormers are calling for harsher "consequences" after Deon Fourie suffered a potentially serious knee injury in Friday night's 38-38 draw against Ulster in Belfast.