Alex Hales and Jos Buttler recorded the highest partnership in T20 World Cup history with an unbeaten 170-run stand for England in the 2022 semi-final against India. They're followed by Rilee Rossouw and Quinton de Kock, who scored 168 for South Africa against Bangladesh (2022). Kumar Sangakkara and Mahela Jayawardene made 166 for Sri Lanka against the West Indies (2010).