In December 2015 he ended his partnership with Raonic and started to work with the World No.3 Roger Federer as assistant-coach with the Swiss Davis Cup Captain Severin Luthi.
He ended his partnership with Raonic. This was in December 2015. He started to work with the World No.3 Roger Federer as assistant-coach with the Swiss Davis Cup Captain Severin Luthi. This was in December 2015.