The nine-time Ladies European Tour winner mixed five birdies with a solitary bogey for a four-under-par 68 and she will start the final round in familiar territory, having previously lifted the SA Open title in 2014, 2015 and 2017.
Michele Thomson and Carly Booth are 5 shots off the leader with both being on 1 over par 145
-4 Leo-Anne Pace (SA) 140 (72, 68) - 1st
-2 Diksha Dagar (India) 142 (76, 66) - 2nd
Scots
+1 Michele Thomson (73, 72) Carly Booth - (74, 71) 140 - T 7th
+6 Kelsey Macdonald 150 ( 73, 77) T 28
+9 Kylie Henry 153 (79, 74) T 42
Missed Cut:
Gabrielle Macdonald, Hannah McCook, Jane Turner Laura Murray