Norway's Casper Ruud outlasted Spain's Jaume Munar 6-2, 2-6, 7-6 (7/4) on Saturday to reach the ATP Dallas Open final.Ruud hit a backhand down-the-line winner to grab a 4-2 tie-breaker lead, took a 5-3 edge when Munar was wide with a backhand volley and went to 6-3 on an overhead smash.