Roddick and Isner to face-off in final

Former world number one Andy Roddick will take on fellow American John Isner in the semi-final of the Winston-Salem Open after they won their respective quarter-finals against Juan Monaco and Marcos Baghdatis last night.

Roddick, the top seed, eased through to the last four as he beat seventh-seeded Monaco 6-1 6-4 in just 66 minutes.