as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
what is the atp world tour finals?
user
the atp world tour finals is a professional men's tennis tournament that is held annually in november at the o2 arena in london. it is the biggest event on the atp tour after the four grand slams. it features the world's best eight singles players and doubles teams competing to be crowned champions.
assistant