The players returned to the training ground on Sunday, giving them hope that the fixture against the Foxes will go ahead.
The club's available players were put through their paces with a double session led by head coach Antonio Conte at another area of the training ground.
The main first-team area is expected to reopen this week, with Spurs next due in the premier league on December 16.
Spurs' last two games were postponed because of an outbreak of coronaviruses among players and staff.
Queens Park Rangers were forced to delay their trip to Sheffield United on Monday because of fresh Covid-19 cases reported at Manchester United and Villa on Sunday.
The match with Rennes was referred to the panel.
The last two matches were postponed due to the Covid-19 outbreak.
The game with Rennes will not be rearranged and has been referred to a panel.
The game was called off after eight players and five staff tested positive for Covid-19.
The game could not be rearranged before the deadline of December 31 because of discussions about rescheduling.
According to the regulations, if Spurs were unable to fulfill the fixture, they will forfeited the game and be awarded a 2-0 win by Rennes.
