Turun di gelanggang St Jakobshalle, Basel, pasangan kebangsaan itu menumpaskan pilihan ketiga kejohanan dan ranking ke-14 dunia dari Bulgaria, Gabriela Stoeva-Stefani Stoeva 21-19, 21-12 dalam tempoh 43 minit.
Kemenangan itu sekaligus merekodkan kejuaraan pertama Pearly-Thinaah dalam kejohanan bertaraf Jelajah Dunia BWF Super 300.
RESULTS: YONEX Swiss Open
— BAM (@BA_Malaysia) March 7, 2021
Final #MAS ?? Pearly Tan-Thinaah M def. #BUL ?? Gabriela Stoeva-Stefani Stoeva 21-19 21-12
* In their debut World Tour final appearance, Pearly-Thinaah were crowned champions and sealed a career first World Tour title. Congrats, ladies! ? pic.twitter.com/Wbds62ABTM