Davis Cup World Group results

Following are the collated Davis Cup World Group first round results on Friday:

At Buenos Aires (clay, outdoor)

Argentina 0 Italy 2

Friday

Paolo Lorenzi, Italy, bt Guido Pella, Argentina, 6-3, 6-3, 6-3

Andreas Seppi, Italy, bt Carlos Berlocq, Argentina, 6-1, 6-2, 1-6, 7-6 (8-6)

At Frankfurt (hard, indoor)

Germany 1 Belgium 1

Friday

Steve Darcis, Belgium, bt Philipp Kohlschreiber, Germany, 6-4, 3-6, 2-6, 7-6 (7-2), 7-5(7-5)

Alexander Zverev, Germany, bt Arthur De Greef, Belgium, 6-3, 6-3, 6-4

At Melbourne (hard, outdoor)

Australia 2 Czech Republic 0

Friday

Jordan Thompson, Australia, bt Jiri Vesely, Czech Republic, 6-3, 6-3, 6-4

Nick Kyrgios, Australia, bt Jan Satral, Czech Republic, 6-2, 6-3, 6-2

At Birmingham (hard, outdoor)

United States 2 Switzerland 0

Friday

Jack Sock, United States, bt Marco Chiudinelli, Switzerland, 6-4, 6-3, 6-1

John Isner, United States, bt Henri Laaksonen, Switzerland, 4-6, 6-2, 6-2, 7-6 (7-1)

At Tokyo (hard, indoor)

Japan 0 France 2

Friday

Richard Gasquet, France, bt Taro Daniel, Japan, 6-2, 6-3, 6-2

Gilles Simon, France, bt Yoshihito Nishioka, Japan, 6-3, 6-3, 6-4

At Ottawa (hard, indoor)

Canada 1 Britain 1

Friday

Dan Evans, Britain, bt Denis Shapovalov, Canada, 6-3, 6-3, 6-4

Vasek Pospisil, Canada, bt Kyle Edmund, Britain, 6-4, 6-1, 7-6 (7-3)

At Nis (hard, indoor)

Serbia 2 Russia 0

Friday

Viktor Troicki, Serbia, bt Karen Khachanov, Russia, 6-4, 6-7 (3-7), 6-3, 1-6, 7-6 (8-6)

Novak Djokovic, Serbia, bt Daniil Medvedev, Russia, 3-6, 6-4, 6-1, 1-0 -- retired

At Osijek (hard, indoor)

Croatia 1 Spain 1

Friday

Franko Skugor, Croatia, bt Pablo Carreno Busta, Spain, 3-6, 6-3, 6-4, 4-6, 7-6 (8-6)

Roberto Bautista Agut, Spain, bt Ante Pavic, Croatia, 6-4, 6-2, 6-3

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