Andy Murray (GBR) d Kei Nishikori (JPN) 75 76(6) 36 46 63
*****
SERBIA 3, KAZAKHSTAN 2
Venue: Pionir Hall, Belgrade, SRB (hard – indoor)
Novak Djokovic (SRB) d Mikhail Kukushkin (KAZ) 67(6) 76(3) 46 63 62
Viktor Troicki (SRB) d Aleksandr Nedovyesov (KAZ) 62 63 64
*****
POLAND 1, ARGENTINA 3
Venue: Ergo Arena, Gdansk, POL (hard – indoor)
Leonardo Mayer (ARG) d Michal Przysiezny (POL) 67(4) 76(4) 62 63
*****
GERMANY 2, CZECH REPUBLIC 3
Venue: TUI Arena, Hannover, GER (hard – indoor)
Philipp Kohlschreiber (GER) d Tomas Berdych (CZE) 63 75, ret.
Lukas Rosol (CZE) d Alexander Zverev (GER) 62 63 61
*****
USA 3, AUSTRALIA 1
Venue: Kooyong Lawn Tennis Club, Kooyong, AUS (grass – outdoor)
John Isner (USA) d Bernard Tomic (AUS) 64 64 57 76(4)
*****
BELGIUM 2, CROATIA 3
Venue: Country Hall du Sart-Tilman, Liège, BEL (clay – indoor)
David Goffin (BEL) d Marin Cilic (CRO) 64 64 36 75
Kimmer Coppejans (BEL) v Borna Coric (CRO) 76(5) 62 63
