2015 ATP World Tour Finals

Tournament

The 2015 ATP World Tour Finals took place from 15 to 22 November at the O₂ Arena in London, United Kingdom. It is the 46th edition of the tournament (41st in doubles). The tournament is run by the Association of Tennis Professionals (ATP) and is part of the 2015 ATP World Tour. The event takes place on indoor hard courts. It serves as the season-ending championships for players on the ATP Tour. The eight players who qualify for the event are split into two groups of four. During this stage, players compete in a round-robin format (meaning players play against all the other players in their group). The two players with the best results in each group progress to the semifinals, where the winners of a group face the runners-up of the other group. This stage, however, is a knock-out stage. The doubles competition uses the same format.

Format

The ATP World Tour Finals has a round-robin format, with eight players/teams divided into two groups of four. The eight seeds are determined by the ATP Rankings and ATP Doubles Team Rankings on the Monday after the last ATP World Tour tournament of the calendar year. All singles matches are the best of three tie-break sets, including the final. All doubles matches are two sets (no ad) and a Match Tie-break.

Group name changes

The ATP has announced that the group names will be changed from A and B to that of former champions of the event. In 2015 the groups will be renamed after the first two champions Stan Smith (1970) and Ilie Năstase (1971-73, 75).

Points and prize money

Singles

Eight players compete at the tournament, with two named alternates. Players receive places in the following order of precedence:

1. First, the top 7 players in the ATP rankings on the Monday after the final tournament of the ATP World Tour, that is, after the 2015 Paris Masters.
2. Second, up to two 2015 Grand Slam tournament winners ranked anywhere 8th-20th, in ranking order
3. Third, the eighth ranked player in the ATP rankings

In the event of this totaling more than 8 players, those lower down in the selection order become the alternates. If further alternates are needed, these players are selected by the ATP.

Provisional rankings are published weekly as the ATP Race to the World Tour Finals, coinciding with the 52-week rolling ATP rankings on the date of selection. Points are accumulated in Grand Slam, ATP World Tour, Davis Cup, ATP Challenger Tour and ITF Futures tournaments from the 52 weeks prior to the selection date, with points from the previous years Tour Finals excluded. Players accrue points across 18 tournaments, usually made up of:

All players must include the ranking points for mandatory Masters tournaments for which they are on the original acceptance list and for all Grand Slams for which they would be eligible, even if they do not compete (in which case they receive zero points). Furthermore, players who finished 2014 in the world's top 30 are commitment players who must (if not injured) include points for the 8 mandatory Masters tournament regardless of whether they enter, and who must compete in at least 4 ATP 500 tournaments (though the Monte Carlo Masters may count to this total), of which one must take place after the US Open. Zero point scores may also be taken from withdrawals by non-injured players from ATP 500 tournaments according to certain other conditions outlined by the ATP. Beyond these rules, however, a player may substitute his next best tournament result for missed Masters and Grand Slam tournaments.

Players may have their ATP World Tour Masters 1000 commitment be reduced by one tournament, by reaching each of the following milestones:

1. 600 tour level matches (as of January 1, 2015), including matches from Challengers and Futures played before year 2010;
2. 12 years of service;
3. 31 years of age (as of January 1, 2015).

Players must be defined by the ATP as in good standing to avail of the reduced commitment.

Doubles

Eight teams compete at the tournament, with one named alternates. The eight competing teams receive places according to the same order of precedence as in Singles. The named alternate will be offered first to any unaccepted teams in the selection order, then to the highest ranked unaccepted team, and then to a team selected by the ATP. Points are accumulated in the same competitions as for the Singles tournament. However, for Doubles teams there are no commitment tournaments, so teams are ranked according to their 18 highest points scoring results from any tournaments.

Singles

Rankings as of 9 November 2015.

Doubles

Rankings as of 9 November 2015.

Head-to-head

Singles

Novak Djokovic def. Roger Federer 6–3, 6–4

Doubles

Jean-Julien Rojer / Horia Tecău def. Rohan Bopanna / Florin Mergea 6–4, 6–3