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
Kazakhstan at the Hopman Cup Kazakhstan at the Hopman Cup Kazakhstan is a nation that has competed at two Hopman Cup tournaments and first competed in the 22nd Hopman Cup in 2010. Its best result to date is finishing second in their group in 2010. Before its dissolution, Kazakhstan used to form part of the Soviet Union which also competed at the Hopman Cup on two occasions in the early 1990s. Additionally, Kazakhstan is a member of the CIS which entered a team into the 1992 event. Kazakhstan also participated a number of times in the now defunct Asian Hopman Cup, a qualifying tournament which