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SYDNEY, AUSTRALIA - SEPTEMBER 17: Captain of Australian Lleyton Hewitt (C) speaks to the media alongside Sam Groth (L) and John Peers (R) of Australia during the Davis Cup World Group playoff between Australia and Slovakia at Sydney Olympic Park Tennis Centre on September 17, 2016 in Sydney, Australia. (Photo by Matt King/Getty Images)

SYDNEY, AUSTRALIA - SEPTEMBER 17:  Captain of Australian Lleyton Hewitt (C) speaks to the media alongside Sam Groth (L) and John Peers (R) of Australia during the Davis Cup World Group playoff between Australia and Slovakia at Sydney Olympic Park Tennis Centre on September 17, 2016 in Sydney, Australia.  (Photo by Matt King/Getty Images)