CS_Summit is a $150000 tournament to be held in Los Angeles. It will feature some of the top teams ( not faze though) in contention for the top prize from April 20-23. The tournament format will be a double elimination Best of Three match-ups.
Each round will see up to four matches being played, starting with the upper bracket quarter-finals, whose match-ups (in the bracket order) are:
More details about the event can be found on HLTV.