Nwabali, was the hero during the during the match, as he stopped a penalty kick.
TS Galaxy were handed a golden opportunity from the lottery in the second half, after Chippa United committed a foul in the box.
Pogiso Sanoka stepped forward to take the kick, but Nwabali pulled a good save from 12 yards.
The save provided Chippa United the platform to double their lead, in the stoppage-time.
“This is my office!! Another clean sheet in the bag, back-to-back Nedbank Cup match wins prior to great team performance. Onto the next round! Chili boys,” the excited goalkeeper wrote on his social media account.
The 27-year-old has two clean sheets in two Nedbank Cup games for his Club.