Samuel Simpson shot 65 to win the Sunbet Challenge by one, while Graham van der Merwe’s final-hole bogey opened the door.
Graham van der Merwe leads by one at Mount Edgecombe, with Nikhil Rama and a packed chasing group poised for Friday’s final round.
A chip-in eagle helped Graham van der Merwe fire a 63 and open a two-shot Sunbet Challenge lead over Samuel Simpson and George Coetzee.