But Miller, who is now trained in Orlando by Lucky Ramagole, gave her all and her patience, hard work and determination to succeed paid off. She was crowned via a unanimous points decision.
At the beginning of the fifth round, Zuma, from KwaZulu-Natal, who took a pounding earlier on, fought back, but Miller regained her momentum as the battle progressed.
With her superb physical and mental preparedness, Zuma never gave up and took the fight straight to her foe.
In the final round, Miller upped her tempo, raining punches from all angles and improved to three wins against eight losses while Zuma tasted defeat after four wins.
In the main bout, Sibusiso "Spook" Zingange outsmarted Prince "Fresh" Ndlovu for the better part of their 12 rounder to win the ABU International junior lightweight title.
Ill-disciplined Prince Dlomo missed the opportunity to win the vacant WBF Inter-continental junior lightweight title after forcing Gabriel Imalwa from Namibia to turn his back after the visiting boxer had gotten up from a knockdown in the sixth round.