Sanchez, 28, is entering the final year of his deal at Emirates Stadium and, amid reported interest from other clubs, Wenger has said: "He will stay and he will respect that".
And City are confident that Sanchez wants to join them this summer, with the Daily Star reporting that they will leave the door open until the end of the window, which closes at the end of August.
"It's very hard at the moment to evaluate the real forces in the Premier League".
"I don't like to lose him because, for me, he's a top-quality striker, but we have many strikers".
Arsenal beat Chelsea in the season's traditional curtain-raiser courtesy of a penalty shootout, after Victor Moses's second half effort was cancelled out by Arsenal debutant Sead Kolasinac.
Arsenal beat Chelsea on penalties to win the Community Shield this afternoon, and did so without Ozil, Ramsey and Alexis Sanchez, who only recently returned to the United Kingdom from Chile. When you think Trevor Francis was the first £1m player and that looked unreasonable, that shows how far we have come.
The traditional season curtain-raiser is a repeat of last season's FA Cup final, in which Arsenal beat Premier League champions Chelsea 2-1.
"It is down to us to keep the positive atmosphere around the team", he said.
Despite all this, I love when Arsenal participates in this match. Boasting one of the league's best keepers and defensive pairs, Spurs are built strong from the back and are led by the league's top scorer in Harry Kane with the young player of the season Dele Alli just behind.
"All the years before it was always a team who was kicked out of the Champions League by having been kicked out of it before".
Even their usual dominance in north London has been turned on its head, with rivals Tottenham finishing above them last season for the first time in 22 years. This is an official game and the first trophy of the season.