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MELBOURNE, AUSTRALIA - FEBRUARY 05: Nick Kyrgios (R) of Australia shows his support as Jordan Thompson of Australia competes in his singles match against Jan Satral of Czech Republic during the first round World Group Davis Cup tie between Australia and the Czech Republic at Kooyong on February 5, 2017 in Melbourne, Australia. (Photo by Robert Prezioso/Getty Images)

MELBOURNE, AUSTRALIA - FEBRUARY 05:  Nick Kyrgios (R) of Australia shows his support as Jordan Thompson of Australia competes in his singles match against Jan Satral of Czech Republic during the first round World Group Davis Cup tie between Australia and the Czech Republic at Kooyong on February 5, 2017 in Melbourne, Australia.  (Photo by Robert Prezioso/Getty Images)