Jaco Van Zyl used an opening-round 7-under 65 to take the lead at the BMW SA Open before play was suspended due to lightning.
Van Zyl holds a one-shot lead over Shaun Norris with 33 players left to finish the first round on Friday morning.
The 36-year-old South African got off to a hot start with four birdies in his first nine holes. Van Zyl started on the back nine and carded birdies on Nos. 10, 13, 15 and 16. His hot round continued on the second nine with a birdie on No. 1 and an eagle on No.