Amid the dismantling of the O2 Arena tennis court, David & Catherine meet to digest a fascinating World Tour Finals ending in the 'Groundhog Day scenario' of an emphatic Novak Djokovic victory. So has this been the most dominant ever tennis season from one individual? And will the Serb remain as dominant in 2016?Plus we discuss a breakthrough week for Rafael Nadal, and look ahead to the Davis Cup Final, the staging of which is currently mired in doubt and fear due to the terror alert in the Belgian capital.  See acast.com/privacy for privacy and opt-out information.