Tennis: Djokovic thanks players for taking part in Croatia leg of Adria Tour

Novak Djokovic has thanked some of tennis' biggest names for taking part in the Croatia leg of the Adria Tour. Djokovic: "The U.S. Open will be held on a hard surface and we play on a clay court, so most players cancelled and changed their decision. So this is a fantastic group of eight players and I'm sure it will be great tennis."