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Booting once on a different OS (with grub)

Is there a way to tell grub to boot the next time (and only this time)
to a different OS than the default one?

I have a bluetooth keyboard which does not work in grub. This is why
I want to tell grub, while I am on debian, to boot at the next reboot
to entry n°3 (which is a window I keep for some specific softwares).

I do not want to change grub order each time. I am looking more to
something like "touch /forcefsck" to force check filesystem (but for
booting to entry 3 in grub).