Following the Government gazettes compulsory testing notice, the bowlers whom participated in the Under-25 Singles Championship 2021 at Victoria Park, 1 Hing Fat Street, Causeway Bay, Hong Kong between 6:00 a.m. to 9:00 a.m. on 1 January 2022 and 6:00 a.m. to 9:00 a.m. on 2 January 2022 must compulsorily undergo testing.