Openers de Kock and Hendricks made unbeaten half-centuries in a comprehensive 10-wicket win.
Comprehensive South Africa clinch T20I series against Sri Lanka, to take an unassailable 2-0 lead in the series.
England start their 2022 summer with three Tests against world champions New Zealand, before welcoming India and South Africa.
South Africa host Netherlands, India, and Bangladesh in 2021-2022 season.
Even five dropped catches from South Africa could not take the hosts over the line.
Morris, du Plessis miss out, Maharaj included in South Africa T20 World Cup 2021 squad.