French player Nicolas Mahut in action during his doubles match with Pierre-Hugues Herbert against Dutch players Robin Haase and Jean-Julien Rojer at the Davis Cup World Group first round tie between France and the Netherlands in Albertville, France, 03 February 2018. EPA-EFE/SEBASTIEN NOGIER
Robin Haase of the Netherlands in action against Richard Gasquet of France during their singles match of the Davis Cup World Group first round tie between France and the Netherlands in Albertville, France, 02 February 2018. EPA-EFE/SEBASTIEN NOGIER
Belgian players Ruben Bemelmans (L) and Joris De Loore (R) in action during their doubles match against Hungarian players Attila Balazs and Marton Fucsovics at the Davis Cup World Group first round tie between Belgium and Hungary at the Country Hall in Liege, Belgium, 03 February 2018. EPA-EFE/JULIEN WARNAND
Sam Querrey of the USA in action against Laslo Djere of Serbia during their singles match of the Davis Cup World Group first round tie between Serbia and the USA in Nis, Serbia, 02 February 2018. EPA-EFE/KOCA SULEJMANOVIC
Serbian players Nikola Milojevic (front) and Miljan Zekic (back) in action against US players Ryan Harrison and Steve Johnson during their doubles match of the Davis Cup World Group first round tie between Serbia and the USA in Nis, Serbia, 03 February 2018. EPA-EFE/KOCA SULEJMANOVIC
