Jongkolphan Kititharakul-Rawinda Prajongjai (Thailand) vs Jeong Na Eun-Kim Hye Jeong (Korea Selatan)
Skor: 11-21, 16-21
Sayaka Takahashi (Jepang) vs An Se Young (Korea Selatan)
Skor: 15-21, 14-21
Pearly Tan-Thinaah Muralitharan (Malaysia) vs Nami Matsuyama-Chiharu Shida (Jepang)
Skor: 14-21, 15-21
Kidami Srikanth (India) vs Prannoy H. S. (India)
Skor: 21-7, 21-18
Kim So Yeong-Kong Hee Yong (Korea Selatan) vs Chisato Hosi-Aoi Matsuda (Jepang)
Skor: 17-21, 21-11, 21-13
Pupita Supajirakul-Sapsiree Taerattanachai (Thailand) vs Greysia Polii-Apriyani Rahayu (Indonesia)
Skor: 18-21, 21-13, 21-19
Kunlavut Vitidsarn (Thailand) vs Anders Antonsen (Denmark)
Skor: 11-21, 17-21
Itulah hasil perempat final Indonesia Masters 2021. Ganda campuran Indonesia Hafiz Faizal-Gloria Emanuelle Widjaja harus mengakui keunggulan Yuta Watanabe-Arisha Higashino.***