On a slow surface, Delport blasted his way to a 28-ball 63 with six fours and five sixes.
Dean Elgar crawled his way to 12 from 26 balls in the chase.
It should be a humdinger of an encounter between two closely matches sides.
All the records and stats created during the high-scoring game between Essex and Surrey.
The Dynamites keep hanging in the middle of the points table with five wins and as many losses.
The battle between Vikings and the Kings is expected to be a close one.
Who will be the best option as captain? Rilee Rossouw, Chris Gayle, AB de Villiers or Mushfiqur Rahim?
Mushfiqur Rahim has led the side superbly so far.
The Sylhet Sixers are expected to open their account by handing the Chittagong Vikings their first defeat.
The 2019 T20 Blast will kick off on July 18 with Essex visiting Middlesex at Lord's.