SA vs SL: 1st Test: Day 1

South Africa cricketer Dean Elgar raises his bat and helmet in celebration after scoring a century (100 runs) during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

South Africa cricketer Faf du Plessis raises his bat to the crowd after scoring a half-century (50 runs) during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

South Africa cricketer Dean Elgar celebrates after scoring a century (100 runs) during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

South Africa's Faf du Plessis plays a shot during the first day of first test cricket match against Sri Lanka in Galle July 16, 2014

Sri Lanka's Dilruwan Perera appeals for a successful leg before wicket (LBW) for South Africa's Alviro Petersen (not pictured) during the first day of first test cricket match in Galle July 16, 2014.

South African cricketer Alviro Petersen (L) is watched by Sri Lankan wicketkeeper Dinesh Chandimal (R) as he plays a shot during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

South Africa's Dean Elgar hits a four during the first day of first test cricket match against Sri Lanka in Galle July 16 2014.

South Africa cricketer Dean Elgar (L) is congratulated by his teammate Faf du Plessis (R) after scoring a century (100 runs) during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

Sri Lankan cricketers celebrate after dismissing South African cricketer Dean Elgar during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

South Africa's Dean Elgar celebrates his century during the first day of their first test cricket match against Sri Lanka in Galle July 16, 2014.

South Africa cricket captain Hashim Amla walks back to the pavilion after his dismissal during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

Sri Lankan cricketer Rangana Herath (R) celebrates with teammates Angelo Mathews (C) and Kumar Sangakkara (L) after Herath dismissed South Africa cricket captain Hashim Amla during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

South Africa cricketer Faf du Plessis (L) plays a shot as Sri Lankan cricket captain Angelo Mathews attempts to catch the ball during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

Sri Lankan bowler Dilruwan Perera (2L) celebrates with teammates after dismissing unseen South Africa cricketer Faf du Plessis during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

South Africa cricketer AB de Villiers is dismissed by Sri Lankan cricketer Suranga Lakmal during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

Sri Lanka's Suranga Lakmal (C) celebrates with teammates after taking the wicket of South Africa's AB de Villiers (not pictured) during the first day of their first test cricket match in Galle July 16, 2014.

South Africa cricketer AB de Villiers leaves the field after being dismissed by Sri Lankan cricketer Suranga Lakmal during the first day of the opening Test match between Sri Lanka and South Africa at the Galle International Cricket Stadium in Galle on July 16, 2014.

Sri Lankan cricketer Lahiru Thirimanne runs to collect the ball as a stray dog walks in the field during the first day of the first test cricket match between Sri Lanka and South Africa in Galle, Sri Lanka, Wednesday, July 16, 2014.

South Africa's Faf du Plessis lies on the ground during the first day of their first test cricket match against Sri Lanka in Galle July 16, 2014.

South Africa's AB de Villiers (C) plays a shot as Sri Lanka's Kaushal Silva (L) ducks from the ball next to Dinesh Chandimal during the first day of their first test cricket match in Galle July 16 2014.