Poland defeated Great Britain 2-1 to stay on course for their second successive Hopman Cup final.

Lukas Rosol, whose only prior ATP title came last year at Bucharest, took the top prize of $80,280 (60,623 euros) and strong momentum heading into the US Open, the year's final Grand Slam event that starts Monday in New York.

Lukas Rosol, whose only ATP title came last year at Bucharest, defeated Taiwan's Lu Yen-Hsun 7-5, 4-6, 6-4 at the US Open warm-up event. Jerzy Janowicz, seeking his first ATP trophy, rallied to oust Sam Querrey 4-6, 7-5, 6-4, despite 18 aces from the American.

Jerzy Janowicz was to team with women's No.5 Agnieszka Radwanska at the annual international mixed team tournament in Perth, Australia, which serves as a warm-up for January's Australian Open.

World No. 1 Rafael Nadal defeated last year's runner-up Jerzy Janowicz 7-5, 6-4.

Next up for David Ferrer is compatriot Nicolas Almagro after the third seed disposed of Italian Fabio Fognini 7-6(8/6), 6-2 in the evening session.

The Wimbledon champion

In a titanic struggle played out over four hours and 43 minutes, Serbia's Djokovic squandered two match points in the fourth set tiebreak before going on to finally subdue the Argentine eighth seed thanks to a remarkable 80 winners and 22 aces. Murray's seventh Grand Slam final on Sunday will be his fourth meeting with Djokovic with a major title on the line.

Murray will play world number one Djokovic, the 2011 champion, on Sunday in his fourth Grand Slam final meeting with the Serb.

The world number two made his case to Jarrett in the strongest terms, while the capacity crowd booed the decision when it was announced by umpire Jake Garner. "This is not fair. There's enough light for at least another 45 minutes' tennis," Murray said.