[caption id="attachment_803466" align="alignnone" width="628"]<img class="size-full wp-image-803466" src="https://www.cricketcountry.com/wp-content/uploads/2019/02/Faf-Quinton_AFP.jpg" alt="" width="628" height="353" /> Du Plessis was unbeaten on 72 while De Kock made 55 before being leg before wicket to debutant left-arm spinner Lasith Embuldeniya at Kingsmead. @AFP[/caption] <p></p> <p></p><a href="https://www.cricketcountry.com/players/faf-du-plessis/">Faf du Plessis</a> and <a href="https://www.cricketcountry.com/players/quinton-de-kock/">Quinton de Kock</a> hit half-centuries as <a href="https://www.cricketcountry.com/teams/south-africa/">South Africa</a> stretched their lead on the third day of the first Test against <a href="https://www.cricketcountry.com/teams/sri-lanka/">Sri Lanka</a> on Friday. <p></p> <p></p>South Africa were 227 for five in their second innings at lunch, a lead of 271 runs. (<a href="https://www.cricketcountry.com/series/sri-lanka-in-south-africa-2019-200896/live-scores/south-africa-vs-sri-lanka-live-cricket-score-1st-test-match-186659-summary.html" target="_blank" rel="noopener"><strong>FULL SCORECARD: 1st TEST</strong></a>) <p></p> <p></p>Du Plessis was unbeaten on 72 while De Kock made 55 before being leg before wicket to debutant left-arm spinner Lasith Embuldeniya at Kingsmead. <p></p> <p></p>Resuming on 126 for four, South African captain Du Plessis and wicketkeeper De Kock were largely untroubled on an easy-paced pitch until De Kock went back to a ball from Embuldeniya which spun into the left-hander and kept low. (<strong>ALSO READ: <a href="https://www.cricketcountry.com/news/tv-broadcaster-reveal-south-africas-strategy-against-sri-lanka-batsmen-803098">TV broadcaster reveals South Africa s strategy against Sri Lanka batsmen</a></strong>) <p></p> <p></p>De Kock was the more aggressive partner in a stand of 96 which eased South African nerves after the hosts had been struggling at 95 for four. De Kock made his runs off 62 balls with six fours. (<strong>ALSO READ: <a href="https://www.cricketcountry.com/news/south-africa-vs-sri-lanka-2019-1st-test-dale-steyn-surpasses-kapil-dev-in-test-wickets-803220">Dale Steyn surpasses Kapil Dev in Test wickets</a></strong>) <p></p> <p></p>Du Plessis had faced 139 deliveries by lunch, hitting ten fours. Embuldeniya had figures of three for 51.