Wawrinka Trying To Hold Off Raonic In London 2016 Nov 11, 2016 Stan Wawrinka talks about holding on to his No. 3 ranking at the Barclays ATP World Tour Finals in London. Watch live matches at tennistv.com. Tags: 2016 Barclays ATP World Tour Finals Interviews Stan Wawrinka Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus