The actual match finished in a tie after Pakistan number ten Musa Khan cracked the final delivery of the 50th over from Richard Ngarava for a boundary to level the scores at 278.
All players, officials and staff have moved into a hub in a five-star hotel in Islamabad, the PCB said, and "are now allowed to interact with each other and move freely within the bio-secure bubble.”
Set a daunting 370-run target, South Africa finished the fourth day on 127-1 with Markram on 59 and Dussen unbeaten on 48. The tourists will need another 243 runs to level the series on Monday. Rizwan's masterclass helped Pakistan add 169 runs for the loss of four wickets in the day before being bowled out for 298.
Paceman Blessing Muzarabani took career best figures of 5-49 as Zimbabwe beat Pakistan in a thrilling super over finish in the third and final one-day international on Tuesday.
Iftikhar Ahmed spun a web around Zimbabwe's batsmen with figures of 5-40 to wreck them for a paltry 206 before Azam knocked an attractive 74-ball 77 not out to chase down the target in 35.2 overs.
Youngster Haider Ali and captain Babar Azam plundered half centuries as Pakistan crushed Zimbabwe by eight wickets in the second Twenty20 international on Sunday. Ali, 20, playing in only his third Twenty20, made an unbeaten 66
Azam proved yet again why he is one of the top batsmen in white-ball cricket with an attractive 55-ball 82 to anchor Pakistan's chase of a modest 157-run target in 18.5 overs.
Pakistan managed 149-7 in their 20 overs with their in-form wicketkeeper batsman Rizwan anchoring the innings after they were sent in to bat.
Pakistan take on Zimbabwe without key leg-spinner Yasir Shah in a two-Test series which starts in Harare on Thursday, but are “confident” after beating South Africa earlier this year. Yasir has been an integral part of Pakistan’s Test bowling attack since making
Zimbabwe beat Pakistan for the first time in a Twenty20 international on Friday, with four-wicket Luke Jongwe the star of a shock 19-run triumph at Harare Sports Club. A maiden victory in 16 attempts seemed unlikely when the tourists restricted the hosts to a meagre 118-9