Teams in eight groups will play the second match-ups on Tuesday and Wednesday.
Playing in Group C, Turkish club Galatasaray will face Kazakh team Astana in an away match on Wednesday. The game at Astana Arena will kick off at 18:00 CET (1600 GMT).
The Istanbul club's Cameroonian center-back Aurelien Chedjou and Turkish midfielder Hamit Altintop will be missing the match due to injuries.
Galatasaray lost to Spanish heavyweights Atletico Madrid 2-0 in their home ground, Turk Telekom Arena, in the matchday one.
Matchday two fixtures in Champions League:
Tuesday:
Group E:
Barcelona (Spain) vs Bayer Leverkusen (Germany)
BATE (Belarus) vs Roma (Italy)
Group F:
Bayern Munich (Germany) vs Dinamo Zagreb (Croatia)
Arsenal (England) vs Olympiakos (Greece)
Group G:
Maccabi Tel-Aviv (Israel) vs Dynamo Kyiv (Ukraine)
Porto (Portugal) vs Chelsea (England)
Group H:
Olympique Lyon (France) vs Valencia (Spain)
Zenit (Russia) vs Gent (Belgium)
*Tuesday's matches will kick off at 20:45 CET (1845 GMT)
Sept. 30, Wednesday:
Group C:
Astana (Kazakhstan) vs Galatasaray (Turkey)
Atletico Madrid (Spain) vs Benfica (Portugal)
Group D:
Borussia Monchengladbach (Germany) vs Manchester City (England)
Juventus (Italy) vs Sevilla (Spain)
Group A:
Shakhtar Donetsk (Ukraine) vs Paris Saint-Germain (France)
Malmo (Sweden) vs Real Madrid (Spain)
Group B:
Manchester United (England) vs Wolfsburg (Germany)
CSKA Moscow (Russia) vs PSV (Netherlands)
*All matches on Wednesday -- except Astana vs Galatasaray -- will kick off at 20:45 CET (1845 GMT)
