Cape Town (Agencies): South Africa beat Pakistan by 7 wickets in the fifth and final one-day international at Newlands on Wednesday.
De Kock slammed 83 off 58 balls as South Africa chased down a target of 241 with seven wickets and ten overs to spare to seal a 3-2 series win.
Opening batsman Fakhar Zaman hit an aggressive 70 before Pakistan’s innings stalled in the series-deciding fifth and final one-day international against South Africa on Wednesday.
With the series at stake, Pakistan made 240 for eight after being sent in to bat at Newlands.
While Zaman was at the crease, Pakistan were on course for a big total. He was fourth out after a 73-ball innings when the total was 128 in the 25th over.
But the scoring rate slowed after his dismissal, with only 49 runs scored in the next 15 overs.
PAKISTAN: Imam-ul-Haq, Fakhar Zaman, Babar Azam, Mohammad Hafeez, Shoaib Malik (capt), Mohammad Rizwan (wk), Imad Wasim, Shadab Khan, Mohammad Amir, Shaheen Afridi, Usman Khan
SOUTH AFRICA: Quinton de Kock (wk), Hashim Amla, Reeza Hendricks, Faf du Plessis (capt), Rassie van der Dussen, Andile Phehlukwayo, Dwaine Pretorius, Wiaan Mulder, Dale Steyn, Kagiso Rabada, Imran Tahir