Bulawayo, June 30 -- Wiaan Mulder struck a masterful 147 and Keshav Maharaj chipped in with a brisk half-century as South Africa extended their dominance over Zimbabwe on Day 3 of the first Test, setting the hosts a mammoth target of 537 at Queens Sports Club here today.

Resuming from 49 for 1, South Africa's second innings was anchored by Mulder, whose career-best effort propelled them to a commanding 369. Zimbabwe, in reply, finished the day at 32 for 1, still needing 505 runs for an improbable victory.

Mulder was the cornerstone of South Africa's batting effort, sharing vital partnerships despite Zimbabwe's early strikes. Tony de Zorzi departed early for 31, edging Tanaka Chivanga to the slips, but Mulder found support in David Bedingh...