Kwena Maphaka became the youngest South African to make a test debut as the Proteas won the toss and elected to bat in the second and final test against Pakistan on Friday.

The 18 years and 270 days old Maphaka broke Paul Adams’ South Africa record of youngest test player, who played his first test against England in 1995 at the age of 18 years and 340 days.

South Africa made three changes after sealing its place in June’s World Test Championship final with a dramatic two-wicket win in the first test at Centurion inside four days.

Australia, India and Sri Lanka all still in the race for the Lord’s WTC final against South Africa in June. Australia could advance to face South Africa if it wins the fifth test against India in Sydney.

“It’s hot and we expect the wicket to break up,” South Africa captain Temba Bavuma said at the coin toss. “We’ve had time to wrap around what we’ve achieved, the preparations for this test have been the priority … a chance to finish off with a good note.”

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Fast bowler Mohammad Abbas brought Pakistan close to its first test win in South Africa in 18 years with 6-54 in the second innings at Centurion but tailenders Kagiso Rabada and Marco Jansen shared a half century ninth-wicket stand and quashed the visitors hopes.

The home team, which has six successive test wins, opted to go with the express pace of Maphaka in place of Dane Paterson, who was dropped after picking up his second successive five-wicket haul at Centurion.

Corbin Bosch was left out after making a stunning test debut in the first test where he took a wicket with his first ball and then made a scintillating unbeaten half century in the first innings which gave South Africa a match-winning lead of 90 runs.

Left-arm spinner Keshav Maharaj has recovered from a groin injury and replaced Bosch. Opening batter Tony de Zorzi had a thigh strain and was replaced by Wiaan Mulder as the all-rounder recovered from a finger injury and returned to the playing XI.

Pakistan, which has won just two of its last nine test matches in this WTC cycle, once again went without a specialist spinner. It rested fast bowler Naseem Shah and brought in left-arm fast bowler Mir Hamza.

“A bit less grass than usual, but we would have had a bowl,” Pakistan captain Shan Masood said.