ATP Cup: Rafael Nadal & Novak Djokovic help Spain and Serbia reach semi-finals

World number one Rafael Nadal overcame baover a surprise singles loss to help Spain beat Belgium and reach the ATP Cup semi-finals in Sydney.

Nadal fell to a 6-4 7-6 (7-3) defeat by David Goffin, which levelled the tie at 1-1 after Roberto Bautista Agut beat Kimmer Coppejans 6-1 6-4.

Nadal and Pablo Carreno Busta rallied to beat Sander Gille and Joran Vliegen 6-7 (7-9) 7-5 10-7 in the decisive doubles.

They will play hosts Australia next.

Earlier, Serbia beat Canada 3-0 to set up a sagame semi-final meeting with Russia.

World number two Novak Djokovic had to fight back to beat Canada's Denis Shapovalov and give Serbia an unassailable 2-0 lead before they also won the doubles.