The Team of Choice booked their place in the last eight after defeating Highlands Park 2-1 at home almost two weeks ago.
Maritzburg, who have never won the Telkom Knockout, were then beaten 1-0 by Polokwane City away in an Absa Premiership encounter last weekend.
Meanwhile, Wits secured their place in the quarterfinals with a 1-0 win over Free State Stars away almost a fortnight ago.
The Clever Boys, who are the defending Telkom Knockout champions, then recorded a 1-0 win over Highlands Park at home last weekend.
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