Ace Indian shuttler Saina Nehwal remained on course for her second title of the season as she reached the semifinals of the Thailand Open Grand Prix Gold with a straight-game victory over Sapsiree Taerattanachai in Bangkok today.

Top seed Saina played long rallies and used her effective smashes to stave off the challenge from the hosts eighth seed Taerattanachai 21-10 22-20 in the women's singles competition.