Frank Lampard's young guns will secure passage to the knockout stages with a win over their Ligue 1 opposition, or if they draw and Valencia lose to Ajax.
The Blues looked set to reach the last 16 with one game to spare after Christian Pulisic gave them a second-half lead over Valencia last time out.
But Daniel Wass' 82nd-minute cross-cum-shot flummoxed goalkeeper Kepa Arrizabalaga to deny Chelsea victory.
Lampard's hotshots will be confident of completing a European double over their French opponents having beaten them in Matchday 2.
Read on for all the information you need about how to watch Chelsea v Lille - or simply jump to a specific section from the list below:
• When is Chelsea v Lille? >
• How to get a BT Sport subscription >
• How to watch on a laptop >
• How to watch on a phone or tablet >
• How to watch on TV >
• What if I can't watch live? >
• What other live football does BT Sport show? >
• More on Chelsea v Lille >
When is Chelsea v Lille?
Chelsea v Lille will be shown exclusively live at 7pm (8pm kick-off) on Tuesday 10 December on BT Sport 2 HD and BT Sport Ultimate on TV and across our digital platforms.
How to get a BT Sport subscription
Choose your preferred or most relevant option below and we'll get you set up with BT Sport in just 15 minutes.
How to live stream Chelsea v Lille on a laptop
BT Sport customers can bookmark this page, return at the start of our live coverage and then open this Chelsea v Lille live stream.
The stream will also be accessible through the BTSport.com homepage.
Anyone tuning in on their laptop can benefit from watching on the revolutionary enhanced video player.
This means a fully immersive viewing experience, featuring an interactive timeline, multi-camera functionality, 360° live streaming and highlights, and goal alerts from other live matches.
How to live stream Chelsea v Lille on a phone or tablet
BT Sport customers wanting to watch on the go can open the award-winning BT Sport app at the start of our live coverage and then follow the link at the top of the homepage.
Just as on laptop, BT Sport app viewers will be available to enjoy the game on our enhanced video player.
How to watch Chelsea v Lille on TV
*BT Sport customers can download the BT Sport app on PS4, Xbox, Apple TV and Samsung Smart TVs (2015 models onwards). To watch the action, follow the link at the top of the homepage ahead of kick-off.
What if I can't watch Chelsea v Lille live?
No problem. The enhanced video player will continue to be available online after the live coverage has finished, meaning customers can watch all the action 'as live' at their leisure or simply use the interactive timeline to catch up with all the key moments.
An exclusive key highlights package of the clash will be made available to all shortly after the game on both BTSport.com and the BT Sport app. We'll also publish in-game clips throughout the 90 minutes.
Alternatively, subscribers can tune in to our exclusive live Champions League highlights show from 10.30pm on BT Sport 2 HD and online as we bring you the best bits of all the night's action.
There will also be several opportunities to watch extended highlights on TV. For more information on the latest listings, check out our TV Guide.
Meanwhile, more extended highlights and full event replays can be found on our TV Catch Up page.
What other live football does BT Sport show?
BT Sport shows 52 live Premier League games per season and is the exclusive home of the Champions League and Europa League, showing every game live until at least 2024.
There's even more for domestic football fans, too, as we show live FA Cup, National League, Scottish Premiership and Betfred Cup action all season long.
BT Sport also offers exclusive coverage of the Bundesliga and Ligue 1, plus a host of fixtures from the Women's Super League, UEFA Youth League, England Under-21 internationals, Australian A-League and much more.
For full details of BT Sport's upcoming live football schedule, check out our Live on BT Sport page.
More on Chelsea v Lille
Ross Kelsall debates what formation and personnel Frank Lampard will employ to win the Mestalla midfield battle, with N'Golo Kante and Mason Mount battling to feature alongside Jorginho and Mateo Kovacic.