Davis Cup World Group: Day 1 results:
ARGENTINA 2, ITALY 0
Venue: Parque Sarmiento, Buenos Aires, ARG (clay – outdoor)
Paolo Lorenzi (ITA) d. Guido Pella (ARG) 63 63 63
Andreas Seppi (ITA) d. Carlos Berlocq (ARG) 61 62 16 76(6)
GERMANY 1, BELGIUM 1
Venue: Fraport Arena, Frankfurt, GER (hard – indoor)
Steve Darcis (BEL) v Philipp Kohlschreiber (GER) 64 36 26 76(2) 76(5)
Alexander Zverev (GER) v Arthur De Greef (BEL) 63 63 64
AUSTRALIA 2, CZECH REPUBLIC 0
Venue: Kooyong Lawn Tennis Club, Melbourne, AUS (hard – outdoor)
Jordan Thompson (AUS) d. Jiri Vesely (CZE) 63 63 64
Nick Kyrgios (AUS) d. Jan Satral (CZE) 62 63 62
USA v SWITZERLAND
Venue: Legacy Arena / BJCC, Birmingham, AL, USA (hard – indoor)
Jack Sock (USA) d. Marco Chiudinelli (SUI) 64 63 61
John Isner (USA) v Henri Laaksonen (SUI)
JAPAN 0, FRANCE 2
Venue: Ariake Colosseum, Tokyo, JPN (hard – indoor)
Richard Gasquet (FRA) d. Taro Daniel (JPN) 62 63 62
Gilles Simon (FRA) d. Yoshihito Nishioka (JPN) 63 63 64
CANADA v GREAT BRITAIN
Venue: The Arena at TD Place, Ottawa, CAN (hard – indoor)
Daniel Evans (GBR) d. Denis Shapovalov (CAN) 63 63 64
Vasek Pospisil (CAN) d. Kyle Edmund (GBR) 64 61 76(3)
SERBIA 2, RUSSIA 0
Venue: Sportski Centar Cair, Nis, SRB (hard – indoor)
Viktor Troicki (SRB) d. Karen Khachanov (RUS) 64 67(3) 63 16 76
Novak Djokovic (SRB) d. Daniil Medvedev (RUS) 36 64 61 10 ret.
CROATIA 1, SPAIN 1
Venue: Sportska Dvorana Gradski Vrt, Osijek, CRO (hard – indoor)
Franko Skugor (CRO) d. Pablo Carreno Busta (ESP) 36 63 64 46 76(6)
Roberto Bautista Agut (ESP) d. Ante Pavic (CRO) 64 62 63