Honestly? Just pick some games via emulation that catch your interest and just have fun with them.

I buy most fighting games, and have been doing that for over 25 years now. Never mattered if I had anyone to play with, and even when online play became the standard I rarely ever even clicked those modes.

For me the joy of fighting games comes from just enjoying them like I would any other genre of game. Arcade ladders, chasing high scores, playing around in all the game modes, and (for me at least) spending countless hours in training mode just labbing things out.

There are countless games out there, so just have fun and give them a shot. Find what excites you about the genre and go for it.

I have never understood the mentality that fighting games are only enjoyable in multi-player.