Chelsea secured a 3-0 win against West Ham in the Premier League on Tuesday but the only blot was an injury to Chilwell early on.
Arsenal beat Chelsea 4-1 on penalties to win the Community Shield for the third time in four years after the game finished 1-1.
Lacazette produced a worryingly anonymous display in his first big test since his 46.5 million euros move from Lyon.
After the traditional curtain-raiser to the English season ended 1-1 after 90 minutes, Olivier Giroud scored the winning penalty.
Arsenal skipper Per Mertesacker underwent knee reconstruction surgery last year and was not expected to play this season.