Serbian Novak Djokovic (ATP 1) reacts during training ahead of the 'Australian Open' Grand Slam tennis tournament, Monday 10 January 2022 in Melbourne Park, Melbourne, Australia. The 2022 edition of the Australian Grand Slam takes place in the ongoing pandemic. Serbian tennis player Novak Djokovic's visa was suspended after he allegedly did not comply with the sanitation regulations for people wishing to enter Austsralia. He was detained in the hotel until a judge broke the ruling earlier Monday. BELGA PHOTO PATRICK HAMILTON,Image: 652469534, License: Rights-managed, Restrictions: *** World Rights Except Belgium and France ***, Model Release: no, Credit line: Profimedia