Indian shuttler P V Sindhu has entered the finals of women's singles event of Macau Open Grand Prix Gold Badminton tournament today. In the semi-finals, two-time winner and defending champion Sindhu, who is seeded fifth, defeated second placed Akane Yamaguchi of Japan 21-8, 15-21, 21-16.Sindhu is the lone Indian shuttler left in the tournament.Friday, HS Prannoy and B. Sai Praneeth had bowed out in the quarterfinals.The hard-fought win for Sindhu was revenge over her opponent. In the 2013 Japan Open, Yamaguchi had knocked Sindhu out of the tournament.In the finals tomorrow, Sindhu will take on the winner of the semifinal match between He Bingjiao of China and sixth-seeded Japanese Minatsu Mitani.