Tennys Sandgren mocks Tennis Australia from Australian Open quarantine over extra day in lockdown

US tennis player Tennys Sandgren is upset that he will spend more time in coronavirus quarantine than some of his competitors at the Australian Open.

Sandgren, the world number 50 who made the quarter-finals in Melbourne last year, has not been allowed out of his hotel room since arriving in Australia two weeks ago.

He said he found out yesterday that he would not be getting out of quarantine on Thursday night, like a number of other international players, but at midnight…