The top seed Roger Federer will meet third seed Juan Martin del Potro of Argentina in the final of the World Indoor tennis tournament at Rotterdam.
Federer beat unseeded Russian Nikolay Davydenko in three sets in the semi-final.
The Swiss ace lost the first set to Davydenko before storming home 4-6 6-3 6-4.
Del Potro demolished Czech second seed Tomas Berdych 6-3 6-1 in the earlier semi-final and is bidding to win his first ever indoor title.
