Barclays bank is the marquee event of men 's tennis . Season-ending tournament brings in two people over 2012 . Event director says sponsorship has sold out , generating significant revenue . ATP happy for it to stay in Sydney but decision to be made in eight days .
ATP World Tour Finals is the marquee event of men 's tennis . Season-ending tournament brings in 250,000 people over eight days . Event director says sponsorship has sold out , generating significant revenue . ATP happy for it to stay in London but decision to be made in 2012 .