All right, here's a stop for barnstorming teams en route to Japan: Mo'ili'ili Park in Honolulu. This is the park
before Honolulu Stadium was built right across the street. Interestingly (at least to me), the baseball diamond is still in place, as seen in the Google Maps image. I also included the two 1910s-era pictures I could find, one of which seems to involve everything but baseball.

Finally, I put in a screenshot from behind home plate--who could blame an umpire if their mind happened to wander with that view of Diamond Head?
Here's the
Google Drive link for ballpark