Australia reaches the knockout quarterfinal stage of the Davis Cup Finals in Madrid after singles wins to Nick Kyrgios and Alex de Minaur.

Australia's Davis Cup team is aiming to snap a three-tie losing streak against Belgium in Madrid on Thursday morning.

Australia opens with a 3-0 win over Colombia at the Davis Cup Finals in Madrid.

Australia's Davis Cup team opens its campaign against Colombia in Madrid early on Wednesday morning (AEDT).

Davis Cup captain Lleyton Hewitt believes the five-man squad representing Australia in Madrid is the strongest he's seen in four years at the helm.

Alex de Minaur, Nick Kyrgios, John Millman, Jordan Thompson and John Peers will represent Australia at November's Davis Cup Finals in Madrid.

The Junior Davis Cup Finals are underway this week in Orlando, Florida.

Australia has been drawn with Belgium and Colombia in the group stage of the new Davis Cup Finals tournament in November.

Australia has built an unassailable 3-0 lead over Bosnia and Herzegovina in Adelaide, sending them through to the Davis Cup finals in Madrid in November.

Australia take a 2-0 lead against Bosnia and Herzegovina in their Davis Cup tie, winning both singles matches in Adelaide.