Players observe a minute of silence before the start of play to honor the victims of Thursday's plane crash in India, on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London

Australia's Nathan Lyon bats on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

South Africa's Kagiso Rabada celebrates the dismissal of Australia's Nathan Lyon on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

Australia's Josh Hazlewood bats on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

Australia's Mitchell Starc plays a shot on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London

Australia's Mitchell Starc, right, celebrates after scoring fifty runs on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

South Africa's Aiden Markram bats on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

South Africa's Wiaan Mulder bats on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

Australia's Mitchell Starc celebrates the dismissal of South Africa's Ryan Rickelton on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

Australia's Steve Smith reacts in pain as he leaves the field after getting hurt while fielding on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

South Africa's captain Temba Bavuma plays a shot on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

South Africa's Aiden Markram celebrates after scoring fifty runs on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

South Africa's captain Temba Bavuma celebrates after scoring fifty runs on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

South Africa's Aiden Markram celebrates after scoring a century on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.

South Africa's Aiden Markram, right, celebrates with batting partner Temba Bavuma after scoring a century on day three of the World Test Championship final between South Africa and Australia at Lord's cricket ground in London.