|Location||Brisbane, Perth, and Sydney, Australia|
|Venue||Pat Rafter Arena|
Ken Rosewall Arena
The ATP Cup is an international outdoor hard court men's tennis tournament between competing nations, which premiered in January 2020. The tournament is played across three Australian cities over ten days in the lead up to the Australian Open and features teams from 24 countries. The event is the first ATP team competition since the ATP World Team Cup, which was held in Düsseldorf from 1978 to 2012.
On 2 July 2018, ATP director, Chris Kermode announced that he had plans to organize a men's team tennis tournament which came after the Davis Cup changed their format six months prior to the announcement. The tournament which at the time of the announcement had the name World Team Cup which was similar to the previous World Team Cup that took place in Düsseldorf from 1978 to 2012. Four months later, on 15 November, the ATP with Tennis Australia announced that the tournament was renamed to the ATP Cup with twenty four teams playing at three cities in preparation for the Australian Open. Those cities would later be revealed to be Sydney, Brisbane and Perth. The event's inclusion forced the axing of the Hopman Cup.
As of 2020 the tournament takes place in Sydney, Brisbane, and Perth, with Sydney the hosts of the quarter-finals onwards. In 2021 the tournament was deferred several weeks and moved to Melbourne Park due to the restrictions on domestic travel in Australia stemming from the COVID-19 pandemic.
The teams that participate in the Cup are determined by the singles ranking of their best player. On the week after the US Open, 18 teams are announced, based on the best player singles ranking. For a country to qualify, it must have at least three players with ATP ranking, and two of them with singles ranking. The next six teams are announced the week of the ATP Finals. If the host does not qualify on the first deadline of September, it will be awarded a wild card, leaving only five spots for the November deadline.
The format saw 24 teams divided into six groups of four teams each. The teams will face in ties composed of two singles match and one doubles match. The match between the No. 2 of each team will open the tie, then the No.1 of each team, and the doubles match closing the tie. The doubles match will be played regardless whether the tie is decided or not. The winner from each group will be joined by the two best second places in the quarterfinals of the tournament for three knock-out rounds until a champion team is crowned.
Results by nation
ATP ranking points
|Round||Points per win vs. opponent ranked|
|No. 1–10||No. 11–20||No. 21–30||No. 31–50||No. 51–100||No. 101+|
- Maximum 750 points for undefeated singles player, 250 points for doubles.
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