Sioux Falls native Shannon Johnson (O'Gorman) has advanced to the Women's U.S.  Mid Amateur championship match Thursday.

Shannon kept up her dominant play in the tournament Wednesday morning with a 6 & 5 win over Margaret Shirley-Starosto. It was the 4th straight win for the tournament's #1 seed by convincing margins.

Her afternoon semi-final match was a different story. Olivia Herrick of Roseville, MN was up 2 after 10 holes. But Shannon rallied to take the lead with a par of 17 and then drained a tester on 18 to secure the 1-up victory.

She faces the #2 seed Julia Potter in the finals Thursday morning. Potter won the title in 2013.