Australia have powered into the final of the Champions Trophy hockey tournament, with Spain defeating New Zealand in the championship pool to keep alive their chances of meeting the Australians.At Auckland today, Australia lived up to their world number one ranking, firing home three second-half goals to defeat the Netherlands 4-2 in Pool C. With that, the Aussies earned the right to chase a record fourth straight title in Sunday's final.In Pool D, Pakistan came from behind to thump South Korea 6-2. Pakistan who are out of medal contention, kept alive their hopes of securing fifth place in the eight-nation event. In another Pool D match, Germany overcame Britain 2-1. Spain edged past hosts New Zealand 3-2 to take pole position in the race to meet Australia in the final, thanks toa David Alegre goal four minutes from time.The victory leaves Spain in a strong position ahead of the final round of Pool C matches, but are still likely toneed a win against The Netherlands on Saturday if they are to book their place in Sunday's final.After the competition's opening rounds, the tournament splits into two four-nation groups. The top group, Pool C,contests the medal placings, while Pool D determines positions five to eight.However, both the Netherlands and New Zealand could pip Spain and make the final, depending on the outcome of the last round of pool games this weekend.