PV Sindhu will play her semi-final match of the Macau Open Grand Prix Gold Badminton tournament today. The two-time defending champion, who is seeded fifth, will clash with second placed Akane Yamaguchi of Japan.Sindhu is the only Indian shuttler left in the tournament.Friday, HS Prannoy and B. Sai Praneeth had bowed out in the quarterfinals.Kidambi Srikanth had made an exit in the opening round, while world number two Saina Nehwal is not taking part in the tournament.