Some superb bowling by Kagiso Rabada and Vernon Philander ripped out the Sri Lankan top-order to put SA in a powerful position going into the weekend.
Hashim Amla became one of only eight South African's to win a 100th Test cap on Thursday. Watch this video to find out who the others were!
Sri Lanka went into the tea break at 46/1 after Vernon Philander removed Dimuth Karunaratne with just the fourth ball of the innings.
South Africa set Sri Lanka a target of 427 after Sri Lankans bundled the Proteas out an hour after lunch in the third Test at the Wanderers.
South Africa laboured to 398/8 adding 60 runs to the overnight total and losing a flurry of wickets during the morning session.
Graeme Smith, AB de Villiers and Dale Steyn joined in with the congratulations for Hashim Amla after he celebrated his 100th Test with a century.
JP Duminy steered South Africa out of trouble with an unbeaten 87 going into the tea break on the first day of the third Test against Sri Lanka.
Hashim Amla scored an undefeated 125 in his 100th Test against Sri Lanka at the Wanderers on Thursday.
Hashim Amla became only the eighth player to score a century in his 100th Test when he compiled 125 not out against Sri Lanka on Thursday.
South Africa made a solid start to the third and final Test of the series against Sri Lanka as the home side went into the lunch break on 79/2.
“SA cricket and indeed South African sport has been enriched by Hashim's massive contribution and we congratulate him and thank him for that."
Fast bowler Duanne Olivier will make his debut for the Proteas in the third and final Test match against Sri Lanka starting at the Wanderers.
Hashim Amla’s milestone has proved inspirational, the Kolpak exits have been draining but the Proteas remain fully committed, writes Stuart Hess.
As Hashim Amla prepares to play in his 100th Test, Stuart Hess analyses his growth as a player who many initially thought wasn’t up to Test standard.
With Hashim Amla set to earn his 100th Test cap on Thursday, his friends and fellow sports professionals have weighed in on the historic achievement.