Spain’s Feliciano Lopez (L) and Marc Lopez (R) in action against Romania’s Florin Mergea and Horia Tecau during their match for the Davis Cup tie between Romania and Spain at Polivalenta Soprts Hall in Cluj city, western Romania, 16 July 2016. EPA/ROBERT GHEMENT

James Ward of Great Britain in action against Dusan Lajovic of Serbia during their match for the Davis Cup tie between Serbia and Great Britain, in Belgrade, Serbia, 16 July 2016. EPA/KOCA SULEJMANOVIC

Andrey Rublev (R) and Konstantin Kravchuk (L) of Russia in action against Robin Haas and Matwe Middelkoop of Netherlands during their doubles match for the Davis Cup second round tie between Russia and the Netherlands, in Moscow, Russia, 16 July 2016. EPA/SERGEI ILNITSKY

Dusan Lajovic of Serbia in action against James Ward of Great Britain during their match for the Davis Cup tie between Serbia and Great Britain, in Belgrade, Serbia, 16 July 2016. EPA/KOCA SULEJMANOVIC

Dominic Inglot (L) and Jamie Murray (R) of Great Britain in action against Nenad Zimonic and Filip Krajinovic of Serbia during their doubles match for the Davis Cup tie between Serbia and Great Britain, in Belgrade, Serbia, 16 July 2016. EPA/KOCA SULEJMANOVIC