The Hopman Cup is an international tennis tournament that plays mixed-gender teams on a country-by-country basis. It was first held in Perth, Western Australia each year from 1989 to 2019, played on indoor hardcourt, before being replaced on the calendar in 2020 by the now defunct ATP Cup. The tournament was played in an eight-team format, with the exception for the years 1990-1995, with twelve teams competing. It returned in July 2023 in Nice, France, played on outdoor clay, with six teams invited to participate.
The Hopman Cup XXIII corresponds to the 23rd edition of the Hopman Cup tournament between nations in men's and women's tennis. The tournament commenced on 1 January 2011 at the Burswood Dome in Perth, Western Australia. The tournament was contested on hard courts.
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.
Serbia is a nation that has competed at three Hopman Cup tournaments since it gained its independence following the breakup of Yugoslavia in the early 1990s. It first competed in the 18th Hopman Cup in 2006. Serbia has reached the final on three occasions; the first time in 2008 where they lost to the United States, in 2011 where they had to retire before the final was played due to an abdominal injury sustained by Ana Ivanovic, and in 2013 when they lost to Spain.
Yugoslavia is a nation that competed at three consecutive Hopman Cup tournaments before the breakup of the country in the early 1990s. It first competed in the inaugural Hopman Cup in 1989. Yugoslavia won the tournament on one occasion, in 1991.
The Soviet Union is a nation that competed at two consecutive Hopman Cup tournaments and first competed in the 2nd Hopman Cup in 1990. The Soviet Union never won a tie and as such never passed the quarterfinal stage of the tournament.
Uzbekistan is a nation that has competed at the Hopman Cup tournament on one occasion, in 2003. In 2003, Uzbekistan won their qualification play-off but went on to place fourth in group A.
Ukraine is a nation that has competed at the Hopman Cup tournament on four occasions, the first being in 1993. In 1995 and 2016, Ukraine were the tournament runners-up and this remains their best showing to date. Before its dissolution, Ukraine used to form part of the Soviet Union which also competed at the Hopman Cup on two occasions in the early 1990s. Additionally, Ukraine is a member of the CIS which entered a CIS team into the 1992 event.
Czechoslovakia is a nation that competed at four consecutive Hopman Cup tournaments and first competed in the inaugural Hopman Cup in 1989, winning the event. This was their only time winning the event, but they did finish as the runners-up in 1992.
The Czech Republic is a nation that has competed at the Hopman Cup tournament on ten occasions, first competing at the 5th Hopman Cup in 1993. They have won the title on two occasions: in 1994 and in 2012.
The Hopman Cup XXIV corresponds to the 24th edition of the Hopman Cup tournament between nations in men's and women's tennis. The tournament commenced on 31 December 2011 at the Burswood Dome in Perth, Western Australia.
China is a nation that has competed at the Hopman Cup tournament on two occasions, their debut coming at the 18th annual staging of the tournament in 2006, when they lost to the Netherlands in the qualification play-off.
India is a nation that has competed at the Hopman Cup tournament on two occasions. The nation's first appearance came in 2007, courtesy of a wild card earned by winning the inaugural Asian Hopman Cup. This remains their best performance to date.
Japan is a nation that has competed at the Hopman Cup tournament on five occasions, the first being at the inaugural annual staging in 1989. Before the introduction of the round robin competition format in 1996, Japan never passed the first round and since its introduction, the nation has never passed the qualification stage of the tournament.
Taiwan is a nation that has competed at the Hopman Cup tournament on two occasions. The nation's first appearance came in 2008 when they qualified for the event by winning the second annual Asian Hopman Cup in 2007. They repeated this feat the following year by again winning the 2008 Asian Hopman Cup and going on to compete in the round robin stages of the main tournament in Australia. They also competed in the Asian Hopman Cup in 2006 and 2009, losing in the final in both years and thus missing out on a spot in the main event both times.
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.
Russia is a nation that has competed at the Hopman Cup tournament on seven occasions, their first appearance coming at the 13th annual staging of the event in 2001. They have won the tournament on one occasion, in 2007, and were the runners up two years later in 2009.
Romania is a nation that has competed at the Hopman Cup tennis tournament on three occasions, the first of which was at the 9th annual staging of the tournament in 1997, when they finished fourth in their group. They replicated this result in 2010 and to date they have not yet bettered it.
Netherlands is a nation that has competed at the Hopman Cup tournament on eight occasions, their first appearance coming at the 2nd annual staging of the event in 1990. They have been runner-up in one tournament in 2006.
Sweden is a nation that has competed at the Hopman Cup tournament on eight occasions, their first appearance coming at the 1st annual staging of the event in 1989. They have been runner-up in one tournament in 1999.
