It turned out to be a mixed day for the Indian shuttlers at the Japan Open on Wednesday. On a day when only the men's doubles and women's doubles matches were held, Indian men's doubles pair of Manu Attri and B Sumeeth Reddy stunned Olympic silver medallists Goh V Shem and Tan Wee Kiong of Malaysia to enter the quarterfinals of tournament in Tokyo. Commonwealth Games silver medallists Satwik and Chirag went down 12-21, 17-21 to third seeded Japanese pair of Takeshi Kamura and Keigo Sonoda, while Ashwini and Sikki lost 17-21, 13-21 to Korean combination of Chang Ye Na and Jung Kyung Eun in women's doubles.