Career
Grage has a junior career high ranking of 30 and reached the 2010 French Open girls" doubles semifinal. Grage made her Women's Tennis Association main draw debut at the 2010 e-Boks Danish Open in the doubles draw where she partnered Karen Barbat, losing in the first round. Grage then made further appearances in Women's Tennis Association main doubles draws in 2011 and 2012.
Singles (1–0)
Doubles (0–1)
Singles
Doubles.