The ATP World Tour Finals is the year-end championship of the Association of Tennis Professionals (ATP) World Tour, featuring the world's top eight singles players and doubles teams. The tournament was first held in 1970, when it was known as the Masters Grand Prix, and has been held annually since 1990. It is currently sponsored by Emirates and is officially titled the ATP World Tour Finals Emirates. In recent years, the tournament has been held at London's O2 Arena. The event is contested in a round-robin format, with each player competing against every other player in their group. The two players with the best records in each group progress to the semi-finals, where the winners of each group face off against each other. The tournament culminates with the final, which is contested between the two semi-final winners. The ATP World Tour Finals is the most prestigious event on the ATP World Tour and features the world's best eight singles players and doubles teams. The tournament is contested in a round-robin format, with each player competing against every other player in their group. The ATP World Tour Finals are just around the corner, and if you're a tennis fan, you won't want to miss it. This is your chance to see the world's best players compete for the coveted title of ATP World Tour Finals Champion. But hurry - tickets are selling fast and you don't want to miss your chance to see history in the making. So buy your ATP World Tour Finals Tickets now at Yadara.com. You won't regret it.