South Africa triumphed over Sri Lanka by 109 runs in the second Test at St George’s Park, clinching the series 2-0. Keshav Maharaj’s five-wicket haul (5-76) dismantled Sri Lanka’s batting lineup, dismissing them for 238. Dhananjaya de Silva (50) and Kusal Mendis (46) offered resistance, but their dismissals triggered a swift collapse.