Rudiger is set to start for Germany against England in Dortmund in tonight’s friendly.
Antonio Conte wants to bolster his backline this summer despite charging towards the title.
Chelsea will be watching Germany defender Antonio Rudiger tonight
Antonio Rudiger is set to play for Germany against England
John Terry is set to leave the club when his contract expires and Conte wants reinforcements to help with the Champions League campaign.
Rudiger can play centre or right-back so could fit into Conte’s back three.
Conte has used Cesar Azpilicueta, David Luiz and Gary Cahill in a back three for much of this season.
Top five Chelsea players this season
Wed, March 22, 2017
Who are the top five Chelsea players in the Premier League this season, according to WhoScored.com?
Get Quotes on Home Insurance
1 of 6
Which Chelsea stars have performed best in the Premier League this season?
And Germany international Rudiger would give Conte another option in that department.
However it is also reported that both Manchester clubs will have scouts in town to check on the 24-year-old.
Rudiger is said to be keen to leave Italy this summer after suffering racial abuse on two occasions this season.
He was taunted by Lazio fans during the Rome derby earlier this month.