2011 Hopman Cup of play. Eight teams competed for the title, with two round robin groups of four, from which the top team of each group progressed to the final. Spain were the 2010 champions but were not invited to defend their title. In the final the United States of America team of Bethanie Mattek-Sands and John Isner defeated Belgium's Justine Henin and Ruben Bemelmans 2–1. This was the USA's sixth Hopman Cup title. The 2011 Hyundai Hopman Cup is an invitational tennis tournament and is also known as the Official Mixed Teams Championships of the ITF. The 2011 cup has prize money
Japan at the Hopman Cup 2006 and 2007, Japan failed to progress past the round robin stage of the event, thus failing to gain entry into the main tournament in Australia. This is a list of players who have played for Japan in the Hopman Cup. Despite losing the qualification play-off in 2000, the Japanese team replaced the injured Belgium team for the tie against Australia. In this tie, Australian opponent Mark Philippoussis was unable to play either of his matches, thus defaulting two points to Japan. Japan at the Hopman Cup Japan is a nation that has competed at the Hopman Cup tournament on