Cape Town - Spaniard Sergio Garcia maintained his lead after the second round of the Nedbank Golf Challenge in Sun City on Friday.
Garcia, who led by four shots leading into day two, shot a 1-under 71 to sit at 9-under at the Gary Player Country Club.
The two-time Nedbank Golf Challenge winner leads by one shot heading into the weekend with South African Louis Oosthuizen the closest challenger.
Oosthuizen struck five birdies, a double bogey and an eagle to fire a 5-under par 67 and lie in second-place at 8-under.
Chart Schwartzel had a day to forget as he shot a 7-over par 79 - including a 10 at the par-4 15th hole.
Defending champion Branden Grace couldn't capitalise on birdie opportunities as he scored a 1-under 71 in his second round to sit T8 at 3-under par.
South Africa's Dylan Frittelli is T4 after posting a 5-under par 67 in the second round.