Former champion Stanislas Wawrinka of Switzerland will take on 7th seed Edouard Roger Vasselin of France in the final of the ATP Chennai Open. In the semifainal yesterday, Swiss top seed Wawrinka lived up to his top billing by cruising into the summit clash by defeating his fifth seed opponent Vasek Pospisil of Canada. In the other semi-final, Edouard Roger Vasselin beat sixth seeded Marcel Granollers of Spain.