Ryan Rickelton smashed his maiden double hundred and Kyle Verreynne made an aggressive half-century as World Test Championship finalist South Africa cruised to 429-5 on Day 2 of the second and final test against Pakistan on Saturday.

South Africa has racked up 615 runs thanks to Ryan Rickelton’s career-best 259 then reduced Pakistan to 64-3 by stumps on day two of the second test at Newlands.

Ryan Rickelton moves joint-seventh in South Africa's all-time top scorers in a single Test innings after scoring 259 in the second Test against Pakistan.

Babar Azam remained unbeaten on 31 and was set to resume with Mohammad Rizwan, who was on nine, as Pakistan attempted to recover from their precarious position.

Ryan Rickelton registered a brilliant double century in the first innings against Pakistan to end South Africa's long wait for the individual double ton in Test cricket. Hashim Amla was the last Proteas player to hit a double ton in Tests.

Ryan Rickelton posted the joint seventh-highest score by a South African in tests with 259 as his side ran up a huge 615 before reducing Pakistan to an effective 64 for four at the close on day two of the second and final test at Newlands on Saturday.

Ryan Rickelton moves joint-seventh in South Africa's all-time top scorers in a Test innings after hitting 259 in the second Test against Pakistan.

Makeshift opener Ryan Rickelton posted the joint seventh highest score by a South African in test cricket with 259 to help his side to a massive 566 for seven at tea on day two of the second and final test against Pakistan at Newlands on Saturday.