Thai No 1 Khosit Phetpradab will be seeking revenge over Lee Dong Keun of South Korea when they meet this morning in the semi-final of the US Open badminton tournament at California State University in Long Beach.

NEW YORK - Seven-time Grand Slam champion Venus Williams became the oldest semi-finalist in US Open history at age 37 on Tuesday by defeating two-time Wimbledon champion Petra Kvitova 6-3, 3-6, 7-6 (7/2).