Jean-Julien Rojer(NED)+Horia Tecau(ROU) Jean-Julien Rojer(NED)+Horia Tecau(ROU) win the 2015 Barclays Atp World Tour Finals Doubles beating in the final Rohan Bopanna(IND)+Florin Mergea(ROU) 64 63 Tennis - 2015 Barclays Atp World Tour Finals - Grand Slam ATP / WTA - O2 Arena - London - England - UK - 22 November 2015.