Flawless at the start and composed throughout, Ty Lawson and North Carolina breezed to another regional final.
Lawson scored 17 of his 19 points in the first half, and the top-seeded Tar Heels routed Gonzaga 98-77 in the South Regional on Friday night. They'll play second-seeded Oklahoma on Sunday for a berth in the Final Four.
Tyler Hansbrough added 24 points and 10 rebounds for North Carolina, which won its 99th NCAA tournament game, breaking a tie with Kentucky for the most by any school.
Wayne Ellington scored 19 points and Danny Green added 13 for the Tar Heels (31-4), who reached the regional finals for the third straight year.