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
2006 Hopman Cup using the Hawk-Eye technology. Players or teams had a limit of two unsuccessful challenges per set. 2006 Hopman Cup The 2006 Hopman Cup (also known as the Hyundai Hopman Cup for sponsorship reasons) was the eighteenth Hopman Cup tournament. The champions were Lisa Raymond and Taylor Dent of the United States. The Netherlands qualified and reached the final. Michaëlla Krajicek won her singles match, and Taylor Dent beat Peter Wessels. The mixed doubles competition was won in close sets by Raymond and Dent. The event was held at the Burswood Entertainment Complex in Perth on 30 December 2005 through 6