London [UK], July 3 (ANI): After his first round in Wimbledon, Serbian tennis superstar Novak Djokovic, who is aiming for a record-equalling eighth title, expressed happiness with his on-court movement following a successful knee surgery. Djokovic eased past Czech qualifier Vit Kopriva 6-1, 6-2, 6-2 to kick-off his title ambitions with style on Tuesday. Despite the fact that an injury sustained during the French Open and a subsequent knee surgery affected his preparations, the 37-year-old barely showed any signs of discomfort and slowness as he removed Kopriva from the competition in just unde…