Japan's Kei Nishikori will meet Spain's Feliciano Lopez in the final of the US National Indoor Tennis Championships after besting Australian Marinko Matosevic in the semi-finals in Memphis on Saturday.
Nishikori won the first set 6-4 in 37 minutes against Matosevic before the Australian was forced to retire with a bone bruise on his right foot, sending the Japanese into his fifth ATP final.
Lopez found the going much tougher against Denis Istomin winning 6-2, 3-6, 6-3 to make his eighth tour final.
Lopez won the pair's only previous meeting in straight sets at the 2011 Barcelona Open.
"He is a great player, he's in very good shape," Lopez said of Nishikori.
"I think it's going to be a tough match, he's very fast-moving all around the court and I have be aggressive and play my best tennis if I want to win."
Meanwhile Marina Erakovic became the first New Zealander since Belinda Cordwell in 1989 to win a WTA title after German Sabine Lisicki retired in their final.
Erakovic raced to a 6-1 first set victory before the German succumbed to an undisclosed illness.
"This is my first title and unfortunately it did go like this," Erakovic said.
"But Sabine congratulations. I hope we really do play a lot more finals in the future."
Photograph: Damir Sagolj/Reuters