George Coetzee produced a putting masterclass to move himself to the brink of a second Tshwane Open title before storms arrived in Waterkloof.
The South African is a member at Pretoria Country Club and entered the final round with a two-shot lead, although he found himself two behind Finn Mikko Korhonen after two early bogeys.
He then birdied five of his next eight holes, needing just ten putts to get to 18 under and lead Korhonen by three before the hooter sounded due to thunder and lightning at 3.37pm. -----
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