The D-backs are 1-4 against the Dodgers this season, but three of the four losses have been by one run.
Arizona's 22 one-run games in total is tied for most in the majors. They're 11-11 in those, so not particularly good or bad.
From what I can see, the last time the D-backs had the fourth-best record in the NL* was Sep 11, 2024, at 82-64.
* = after a meaningful number of games, obvs