Canadian Milos Raonic won a battle of 20-year-olds Friday to advance to the semifinals of the Stockholm Open.

Raonic's serve was sharp as he defeated Grigor Dimitrov of Bulgaria 7-5, 6-4 in a match that lasted 78 minutes.

Raonic delivered 14 aces and never faced a break point.

It was his 31st victory in 2011 -- the most ever produced by a male Canadian singles player.

In qualifying for his fourth ATP World Tour semifinal of the season, Raonic will take on No. 1 seed Gael Monfils Saturday.

Raonic has never played Monfils, although he was scheduled to face him in the semifinals of the SAP Open in San Jose in February. He received a walkover when the Frenchman withdrew, and went on to win the title, his first ATP World Tour crown.

James Blake of the U.S. and Jarkko Nieminen will meet in the other semifinal.