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The rankings for the Finals are the total number of points accumulated this year to date.<ref>http://www.barclaysatpworldtourfinals.com/Players/Player-Landing.aspx</ref>
The 2010 ATP World Tour Finals (also known as the 2010 Barclays ATP World Tour Finals for sponsorship reasons) will be held in London, United Kingdom between November 21 and November 28, 2010.
Qualification
In 2010, any player who finished in the 2009 year-end Top 30 will be required to compete in four Grand Slam tournaments and eight ATP World Tour Masters 1000 tournaments. In addition, the Best 4 ATP World Tour 500 and Best 2 ATP World Tour 250 events will be count towards a player's ranking. All direct acceptance players at the time of an entry deadline, who do not play will receive a 0-pointer in their ranking. Monte-Carlo Rolex Masters became optional in 2009 but if a player chooses to participate in it over the 8 mandatory Masters, this tournament will be counted in and the lowest scored ATP 500 event will be ignored (three best ATP 500 remaining). Also in case of a player doesn't have enough 500 tour championship commitments nor has one Non-Countable 250 tournament/Challenger appearance with better result to fill up the spot, the Davis Cup is counted into the 500's table (if entered). The same case happens with the 250's table whereas the one missing spot can be replaced with the World Team Championship (if entered). If a player could't be present in all required tournament classes (i.e. because of an injury) all uncounted 250 and/or Challenger series are eligible to be added into the 18 valid tournaments.
A player who is out of competition for 30 or more days, due to a verified injury, will not receive any penalties. The eight players who qualify for the Barclays ATP World Tour Finals will count an additional 19th tournament on their ranking.
The top eight players with the most countable points accumulated in Grand Slam, ATP World Tour and Davis Cup tournaments during the year will qualify for the Barclays ATP World Tour Finals in London. Countable points include points earned in 2010 plus points earned at the 2009 Davis Cup final and late-season 2009 Challengers played after the 2009 Barclays ATP World Tour Finals.
London
Nikolay Davydenko
Bob Bryan / 
Spain
Roger Federer (SUI)
Robin Söderling (SWE)
Tomáš Berdych (CZE)
Novak Djokovic (SRB)
Jo-Wilfrid Tsonga (FRA)
Jurgen Melzer (AUT)
Marin Cilic (CRO)
Daniel Nestor (CAN)
Leander Paes (IND)
Philipp Petzschner (GER)
Łukasz Kubot (POL)
Paul Hanley (AUS)
Horia Tecau (ROU)
Wesley Moodie (RSA)
Dick Norman (BEL)
Max Mirnyi (BLR)
Marcelo Melo (BRA)
Michal Mertiňák (SVK)
Andy Ram (ISR)
Aisam-ul-Haq Qureshi (PAK)