The 28-year-old claimed 580 points for his island victory, and thereby rose to second in the chase, securing his chances of making it to the season finale in 2016.
Every event from the Golden Pilsener Zimbabwe Open until the tournament preceding the Investec Cup counts for points. Bigger events, such as those co-sanctioned with the European Tour, count for more points.
Dean Burmester currently leads the chase on 770 points, courtesy of his consistent good form and a victory at the Zimbabwe Open.
A fortnight ago Justin Harding grabbed some crucial points with his victory at the Vodacom Origins of Golf presented by Samsung, and as a result he climbed to seventh in the standings.
The top 30 points earners will play the Investec Cup tournament, which is a showdown that offers up the most points. There is a bonus prize pool of R10-million that is divvied up amongst the top 30, and the winner takes home a life-changing sum.
There is plenty to play for, and right now Coetzee will be comforted in the knowledge that his victory in Mauritius has gone a long way to making sure he gets a spot at the event.