2011 Hopman Cup grand slam final at the US Open and winning the Davis Cup as well as reaching a career high of world number two in 2010. Ivanovic is the 2008 French Open champion and former world number one as ranked by the Women's Tennis Association and 2008 Australian Open finalist. Ivanovic had a mixed 2010, she teamed up and then split with Heinz Günthardt before winning her first title in two years at Linz before picking up the Tournament of Champions in Bali she is currently the world number seventeen. The pair have played together in the Hopman Cup before in
Thailand at the Hopman Cup Thailand at the Hopman Cup Thailand is a nation that has competed at the Hopman Cup tournament on two occasions. The nation's first appearance came in 2000, when they won the qualification play-off and went on to reach the final, eventually finishing as the runners-up. This remains their best performance to date. Thailand also participated a number of times in the now defunct Asian Hopman Cup, a qualifying tournament which ran from 2006 until 2009 and granted the winners entry into the Hopman Cup the following year. In 2006, 2008 and 2009 Thailand failed to progress past the round robin