Leighton KoopmanThe Sharks made a bit of rugby history on Saturday, becoming the first South African team to reach a semi-final in a European Professional Club Rugby tournament but more hard work lies ahead if they are to reach the final.A different beast awaits next month, in French club Clermont, and there are a few things the Durban side can improve on ahead of that game if they are to continue pushing for the title.Lukhanyo Am scored for the Sharks in their 36-30 win against Edinburgh in their EPCR Challenge Cup quarter-final clash on Saturday. | BackpagePix Luckily they have two…