Tekken has has the most solo friendly content of any fighting game series since 7 so yeah, it's not a waste of money like that.
You could literally just play the Arcade Quest and be satisfied with that alone.
New York Rangers [2004-2008] https://media.giphy.com/media/WvQHBYW0q4TuxdAg61/giphy.gif
https://psnprofiles.com/Jaromiroquai68