The Gunners removed all questions in the first half.
Arsenal went to visit Slavia P in the second leg of the Europa League quarterfinals and achieved a crushing victory.
Mikel Arteta's charges hit the opponent's goal three times in the middle of the first half of the game and guaranteed themselves a pass further. Lacazette scored another goal at the end of the match.
Slavia P - Arsenal 0: 4 Goals: Pepe, 18, Lacazette, 21, 77, Saka, 24 Slavia: Kolarzh - Borjil (Dorli, 46), Zima, Golesh, Ba (Vishinski, 46) - Stanciu (Lingr, 46).
Arsenal: Leno - Chambers, Holding, Jaka, Marie - Ceballos, Partey (Soares, 79), Smith Row (El Nenni, 67), Saka (Martinelli, 79), Pepe (Balogun, 88 - Lacazette (Nketia, 79).
Warnings: Hromada, Olayinka - Martinelli.