In the Singapore Open super-series badminton tournament, 5th seeded Indian shuttler B Sai Praneeth reached the semi-finals in men's singles today, defeating 8th seeded Tanongsak Saensomboonsuk of Thailand 15-21, 21-14, 21-19. The mixed doubles quarter-final match between Indian pair of B. Sumeeth Reddy and Ashwini Ponnappa and the 3rd seeded Chinese pair of Lu Kai and Huang Yaqiong is now underway.P.V Sindhu and K Srikanth, will play their quarter-final matches later today. In the Women's Singles event, Rio Olympic Silver medalist Sindhu will battle it out for the last-8 stage against Rio Olympic Gold medalist Carolina Marin of Spain. In the Men's Singles quarter-final event, unseeded Kidambi Srikanth will be facing 5th seeded Shi Yuqi of China.