CHATTANOOGA, Tenn. – Grace Riermann and Maggie Riermann keep on making history as their 7-5, 6-3 win over Zoe Bennett and Jenny Tian from Williams in doubles competition sends them into Sunday's national semifinals.

In the opening set, the duo went down 3-0 before climbing back evening it up at 3-3. A trade-off of points got it to 5-5 before earning breakpoint to go up a game. Four straight points with the serve gave them the first set.

Set two took a breezy 44 minutes even with dropping the opening game. Tied at 2-2, the Riermann's earned a pair of break points going up 5-2 before a long eighth game cut the lead to two. Showing no panic, the Riermann's continued to do their thing taking it 6-3.

In singles play, Grace Riermann saw her championship run come to an end dropping a 6-0, 6-2 decision to Christina Watson of Emory.

Grace and Maggie will go against top-seeded Katie Chang and Ysabel Gonzalez-Rico of Emory University tomorrow at 12:30 p.m. CT. Live video of the match can be accessed at NCAA.com.