South Africa v Sri Lanka, 1st Test, Port Elizabeth, 3rd day
Another Cook ton extends South Africa's dominance
Vernon Philander helped South Africa gain an 81-run lead with his 11th five-wicket haul in Tests•AFP
Stephen Cook was solid again, and in the company of Elgar, he put on another century stand•AFP
Suranga Lakmal finally got the breakthrough after having Elgar caught at mid-on•Getty Images
Sri Lanka's bowlers were made to toil through the third afternoon•Getty Images
Scratchy to start, Dean Elgar gradually grew in fluency as his innings wore on•AFP
Bad light and rain, though, was a regular occurrence even on the third afternoon•Getty Images
Cook carried on to make a century to lift South Africa's lead past 300•AFP
Picture perfect: Faf du Plessis' flowing drives helped South Africa finish in a commanding position•AFP
All good: Dean Elgar gesticulates as rain interrupts play•Getty Images
Nuwan Pradeep trapped Hashim Amla in front, marking the 10000th lbw in Tests•Getty Images