Schwartzel is back in the field this week and aiming for a hat trick of titles at the event. The former Masters champion is coming off a tie for fourth at the South African Open Championship.
Sixty-two South Africans, including Schwartzel and George Coetzee, will be among those vying for victory at Leopard Creek Country Club. Also in the field this week are two-time major champion John Daly and former European Tour winners Pablo Martin, Garth Mulroy and Richard Sterne.
Golf Channel will have coverage of the final three rounds.
The European Tour heads east next week for the Hong Kong Open, which Miguel Angel Jimenez won in 2012.