Having graduated, he earned a place on the
Sunshine Tour at the first attempt, finishing third at the 2009
qualifying school while still an amateur. He won a tournament in each of his first three seasons on the tour, 2010, 2011 and 2012. He won again in 2015 and 2016 and then twice in two weeks in 2018. In July 2018 Harding made a rare appearance outside Africa and won the
Bank BRI Indonesia Open on the
Asian Tour by a stroke from
Scott Vincent. Two weeks later he won the
Royal Cup in Thailand by 6 strokes, his fourth win in three months. Alan Burns has caddied full time for Harding since October 2018. In March 2019, Harding got his first
European Tour victory by winning the
Commercial Bank Qatar Masters by two strokes over nine runners-up. He was a joint runner-up in the
Kenya Open the following week, a result that lifted him into the world top 50 and gave him an entry into the
2019 Masters Tournament. He finished in a share of 12th place to earn his place at the
2020 Masters Tournament. In March 2021, Harding shot a final-round 66 to win the
Magical Kenya Open by two shots ahead of
Kurt Kitayama. ==Amateur wins==