FT
Montpellier
1
–
2
Arsenal
—
FT
Arsenal
3
–
1
Olympiakos Piraeus
—
FT
Arsenal
0
–
2
FC Schalke 04
—
FT
FC Schalke 04
2
–
2
Arsenal
—
FT
Arsenal
2
–
0
Montpellier
Started
FT
Olympiakos Piraeus
2
–
1
Arsenal
Started
FT
Arsenal
1
–
3
Bayern München
Started
FT
Bayern München
0
–
2
Arsenal
—
Faded rows: team matches without W. Szczęsny in the lineup