Following a poor 2009 Super 14 season, Coetzee was appointed head coach of the for the 2010 Super 14 season. In just his first season in charge, the Stormers jumped from their 10th-place finish in 2009 to second in the 2010. This was the first time since the 2004 Super 12 season that the Stormers had made the knock out phase of the tournament, and after defeating the New South Wales Waratahs 25–6 in the Semi-finals, this side became the first Stormers to make the final. However they were later beaten by the Bulls 25–17. He also led Western Province to their first Currie Cup final since 2001, finished second behind the Sharks, being beaten 30–10 in the final.