Linda Zetchiri and sisters Stefani Stoeva and Gabriela Stoeva will need to go through three PCR tests for Covid-19 before their participation in the international badminton tournament from "World Tour Super 750" series in Odense (Denmark) with a prize fund of 750,000 dollars.

Upon arrival for the tournament, which will take place from October 13 to 18, they will have to show a negative PCR test done 24 hours earlier. At the airport they will be tested again. A third test is performed upon arrival at the hotel. In case of a negative test, the competitors will have to remain quarantined in the hotel rooms for 24 hours, after which they will have the right to start their training in a hall, the Bulgarian National Radio reported.