Lapangan 1
XD - Thom Gicquel/Delphine Delrue (Prancis) vs Tan Kian Meng/Lai Pei Jing (Malaysia)WS - Mia Blichfeldt (Denmark) vs Pusarla V Sindhu (India)MS - Viktor Axelsen (Denmark) vs Kidambi Srikanth (India)WD - Jongkolphan Kititharakul/Rawinda Prajongjai (Thailand) vs Gabriela Stoeva/Stefani Stoeva (Bulgaria)WS - Carolina Marin (Spanyol) vs Pornpawee Chochuwong (Thailand)MD - Kim Astrup/Anders Skaarup Rasmussen (Denmark) vs Satwiksairaj Rankireddy/Chirag Shetty (India)
Lapangan 2
XD - Mathias Christianes/Alexandra Boje (Denmark) vs Marcus Ellis/Lauren Smith (Inggris)MS - Kunvalut Vitidsarn (Thailand) vs Lee Zii Jia (Malaysia)WD - Pearly Tan/Thinaah Muralitharan (Malaysia) vs Chow Mei Kuan/Lee Meng Yean (Malaysia)MD - Aaron Chia/Soh Wooi Yik (Malaysia) vs Mark Lamsfuss/Marvin Seidel (Jerman)
Berikut link live streaming semifinal Swiss Open 2021.
| Source | : | BWF Tournament Software |
| Penulis | : | Aziz Gancar Widyamukti |
| Editor | : | Aziz Gancar Widyamukti |