The World Anti-Doping Agency last year barred Russians from competing under their country's flag at major international events, including this year's Tokyo Olympics, for four years after it found that Moscow had provided it with doctored lab data.
The sanctions also bar Russia from hosting or bidding for major sporting events for a four-year period.
Although WADA had requested that the hearing be held in public, the Court has decided it would take place behind closed doors as the parties couldn't agree on a public process.
-Reuters