Reigning champions City are also involved in a separate independent hearing into the club's alleged breaches of Premier League financial regulations which began in September, with a verdict expected some time before the end of the current season.
The number of Premier League games called off this month due to COVID-19 is now up to 14
The Premier League found a record 42 cases of COVID-19 among players and staff at various clubs over the past week.
Abramovich had sanctions imposed on him by the British government after Moscow's invasion of Ukraine.
COVID-19 cases in the visiting teams have forced the postponement of the Liverpool v Leeds United and Wolverhampton Wanderers v Watford games scheduled for Boxing Day, the Premier League announced on Thursday.
Fans return to English grounds, but told not to celebrate goals too much.
Everton yet to receive clarification after City game postponed: Ancelotti
Spurs Premier League match at Brighton postponed due to COVID-19
Leicester will remain second overnight with Everton, level on points with them, not playing later on Monday after their home match against Manchester City was postponed following more positive COVID-19 cases at City.
Portsmouth face almost certain relegation from the English Premier League after being docked nine points on Wednesday for going into administration last month. The debt-laden south-coast club are the first Premier League team to suffer a points penalty for entering administration. They now have just 10 points and are 17 points adrift of the safety zone with just nine games remaining.