Chris Morris revelled in "one of the most memorable days of my cricketing career" after his counter-attacking 62 helped South Africa keep their one-day international series with England alive.
The Proteas levelled the five-match rubber at 2-2 - setting up a decider at Newlands - with a thrilling one-wicket win at the Wanderers on Friday.
England's total of 262 all out, underpinned by a superb Joe Root century, looked to be below par, but South Africa then slumped to 210-8 in reply.
However, after being dropped in the deep by Adil Rashid on 14, Morris hit sixes in four successive overs to get his side back on track and only one run was needed by the time he departed for a career-best ODI score.
"To win a game for your country is a special feeling," said Morris, whose decisive innings spanned just 38 balls, in a post-match news conference.
"Today was one of the most memorable days of my cricketing career. It was nice to hit some out of the park.
"I'm happy with our performance and happy with the win."
Morris is primarily known for his bowling, but showed evidence of his batting potential with an innings of 69 on Test debut against England last month.
"I've put in a lot of hard work on my batting in the last couple of months," he added. "Since I moved to the Titans I have done a lot of work on my batting where there is a lot of belief pumped into you as a player, especially from the coach Rob Walter. He believes in you as a player and pushes you 100 per cent.
"The amount of effort Russell [Domingo, South Africa's head coach] and the coaches put in has been great. Our guys have thrown a million balls to me and in the end it has to pay off.
"Fortunately it was my turn to show off that I am pushing for that all-rounder spot. I'm just happy to be playing cricket."
South Africa captain AB de Villiers is aware his side still have work to do in Sunday's decisive fifth ODI.
"Hopefully we have enough confidence and momentum on our side to take to Newlands," said De Villiers.
"The game will start at 0-0 on Sunday. We have to find a way to get the momentum going on the day."