Q: TWRP Backup and Restore

I flashed and am running KatKiss 6.0. I made a backup of my stock ROM before flashing. Yesterday Facebook lost all may data to a Facebook linked game. What I’d like to do is restore the stock ROM and Titanium Backup the game data then hopefully restore my KatKiss backup and restore that data. Will this work? The reason I’m asking is when flashing KatKiss 6.0 it has you change the /data to F2FS format.
Thanks!!!