19:21 CET - And there's the equaliser for Sparta Prague! A sublime free-kick from Kaan Kairinen has restored parity in Stuttgart.
19:12 CET - Tournament debutants Brest have found the breakthrough in Salzburg, with Abdallah Sima putting the finishing touch on a superb counter-attacking move for the French side.
18:54 CET - And we already have our first goal! Young French midfielder Enzo Millot gives Stuttgart an early lead after getting on the end of an inviting cross and heading home.
18:47 CET - Both early kick-offs are now underway as a big night of Champions League football gets rolling!
18:00 CET - The other early kick-off between Stuttgart and Sparta Prague is a match between two sides that had differing returns to the Champions League. Sparta shocked Salzburg to win 3-0 in Prague, whilst Salzburg lost 3-1 to Real Madrid.
However, there is no clear favourite for this one and with home advantage Stuttgart will be hoping to get off the mark with their first points of this new format.
Check out the lineups below:
17:45 CET - Team news in for the first two matches of the day as the countdown towards kick-off begins.
It is all change for Salzburg manager Pep Lijnders who makes six changes from the team who lost in gameweek one against Sparta Prague.
Check out Salzburg's and Brest's full lineups here:
17:00 CET - On this first night of gameweek two, there is no shortage of intriguing Champions League encounters. And there are two early matches from 18:45 CET to begin your midweek action as Salzburg host Brest and Sparta Prague travel to Stuttgart.
To guide you through a busy schedule over the next three days and which games standout to us, check out our European Highlights piece from Flashscore editor Danny Clark.
In that piece, Danny previews a heavyweight clash this evening as Arsenal host PSG from 21:00 CET.
Follow all the Champions League action this evening with Flashscore.