Dane Vilas produced a sparkling innings of 91 off 68 balls as the Dolphins beat the Cape Cobras by 26 runs at Kingsmead in the Momentum One-Day Cup.
The Titans rounded off the Ram Slam season in style by crushing the Dolphins by seven wickets at Centurion.
The Cape Cobras need the batsmen to come to the party in their semi-final against the Dolphins in Durban on Thursday.
The Dolphins and the Warriors beat the table-topping Titans and Cobras respectively, to book their places in the Ram Slam T20 Challenge semi-finals.
A disciplined bowling performance gave the Warriors their second Ram Slam win when they beat the Dolphins by one run in Port Elizabeth.
It is crunch time for the Highveld Lions: they need to arrest a slide in their Ram Slam T20 fortunes.
Mangaliso Mosehle’s half-century topped JP Duminy’s 54 as the Lions handed the Cobras their second Ram Slam T20 defeat. The Titans claim a 61-run win against the Warriors.
The coastal teams all came away with a respectable draw away from home in the first round of the Sunfoil Series, but bonus points set the pace.
Aiden Markram smashed a century on his captaincy debut for the Titans, to strengthen his chances of selection for the Bangladesh Test series.
Fifties from Richard Levi and Dane Vilas handed the Cobras a seven-wicket victory over the Dolphins in Durban, despite 79 from Kevin Pietersen.