In 2005 they took a break from the K-2 (and each other). Meanwhile, the Belarusian four, with Piatrushenka as the "engine", established themselves as the top K-4 500m crew in the world. A gold medal at the European Championships in Poznań was followed by victory in the World Championship final in Zagreb. This was Belarus's first world championship team kayak gold medal since independence. He also won nine more medals at the ICF Canoe Sprint World Championships with six gold (K-2 200 m: 2007, 2009; K-2 500 m: 2009, 2010; K-4 200 m: 2009, K-4 1000 m: 2009), two silvers (K-2 500 m: 2007, K-4 1000 m: 2010), and a bronze (K-4 1000 m: 2006).