GB&I enjoy opening day supremacy at Walker Cup

Hosts lead United States 7.5 to 4.5 after first day with Ireland's Mark Power securing a dramatic win in afternoon singles

KEY MAN: Mark Power, 23, from Kilkenny, secured a key point for GB&I. 

Great Britain and Ireland enjoyed a successful opening day in the 49th Walker Cup as they earned a 7.5-4.5 lead over the United States at St Andrews.

The USA drew first blood in the morning foursomes but the hosts rallied to build a 3-1 advantage into the afternoon singles, where Stuart Wilson's team had the better of preceedings again as they added another 4.5 points.