Ironman Alex de Minaur is a surprising late addition in a mighty boost to Australia's Davis Cup quarter-final hopes in Malaga.
De Minaur was not listed in Australia's initial team to face the USA on Thursday night before the world No.9 declared his availability after a "special" practice session with retiring legend Rafael Nadal.
After a gruelling but triumphant season dogged by a hip injury, it had been expected that de Minaur would sit out the Cup finals after losing all three of his matches at last week's ATP Finals in Turin.