Doctors have not yet arrived at a final diagnosis of Max Mirnyi, who was hospitalized on Monday with an acute viral infection, the father of Belarus' top tennis player told ERB.

"Unfortunately, there is no good news. He is on intravenous. Doctors are trying to bring him to a safe condition. The virus damaged his kidneys, doctors said, but they neither identified the virus nor gave details about effects," Mikalay Mirnyi said.

Max Mirnyi and Uladzimir Valchkou missed Sunday's doubles Davis Cup match against the Poles because of the infection. Valchkou is recovering at home.