South Africa will play three Test matches against Pakistan and two against Sri Lanka during their 2018/19.
Australia and Pakistan will play Zimbabwe in a T20 tri-series and Pakistan then staying on for a five-match ODI series.
Afghanistan and Ireland now virtual semi-final on Friday.
Jason Holder, Marlon Samuels guide West Indies to victory against Zimbabwe.
The batsman overcame a dry pitch to rally Zimbabwe from 139 for 7 to 211 for 9 and put them on top of the Super Sixes table.
Scores level on 210 as Zimbabwe take last Scottish wicket in final over.