Cape Town number three bat Mathew Goles hit three of his four fours off consecutive deliveries as he cruised to 28 from 20 balls to give the side a promising start after they had elected to bat first.
Overcoming a slightly slow start, Tristan Coetzee ultimately added a quick-fire 33 from 31 balls to Cape Town’s cause as he and Mathew Goles added 40 for the third wicket in 5½ overs.
Rondebosch left-arm spinner Luke Stevens sparked his side’s dramatic second-half comeback in the field by claiming three wickets in six balls, destroying Cape Town’s middle order.
Rondebosch captain Grant Edmeades produced a highly competent spell of 4-0-15-2 with his leg-breaks to further sink Cape Town’s batting effort ever further into the mire.
Opening bowler Wesley Bedja bagged the first and last wickets to fall, as Rondebosch stormed back to seize firm control of the game by dismissing Cape Town for just 106.
Opening bat Tayo Walbrugh initially fought a lone battle for Rondebosch at the start of their run chase, striking 24 from 22 balls despite his side slipping to 45-5.
Left-arm spinner Bradley Petersen conceded five sixes in his four overs, but also picked up three wickets in a frenetic middle period of the Rondebosch innings.
Always a thorn in Cape Town’s side, Alistair Gray’s four sixes and a four in his 37-ball knock of 41 had seemingly won the match for Rondebosch, but he fell in the closing moments as Cape Town came storming back to force a tie.