(CNN)Team Europe retained the Solheim Cup on Monday after a gripping 15-13 battle with Team USA at the Inverness Golf Club in Ohio.

Europe's rookie Matilda Castren held her nerve to roll home a five-foot putt on the 18th to secure her singles victory over American Lizette Salas, securing her team's successful defense of the biennial golf tournament which pits the best professional women's golfers from Europe and the US against each another.