Belgium Australia Davis Cup Tennis

Belgium's David Goffin jubilates after winning his match against Australia's John Millman during a Davis Cup World Group semi-final tennis match in Brussels, Friday, Sept. 15, 2017. Goffin won the match 6-7, 6-4, 6-3, 7-6. [Photo: AP]

Australia's John Millman goes up to the net to return the ball to Belgium's David Goffin during a Davis Cup World Group semi-final tennis match in Brussels, Friday, Sept. 15, 2017. [Photo: AP]

Belgium's Steve Darcis returns the ball to Australia's Nick Kyrgios during a Davis Cup World Group semi-final tennis match in Brussels, Friday, Sept. 15, 2017. [Photo: AP]