Actually I have managed to get this exact scenario right, to get quite a few people interested in my games, I have a solution let them win
do random uppercuts that leave you open
do a super that leaves you open, so they can punish
use mainly your weak hits, to do less damage
use weak slow fireballs
So they like Tekken huh practice your heart out in Tekken until you can break the game, depends on how good they are, causal would be easy, the better they are at it the more your going to have to practice, but their are guides fourms youtube all this helps…
Then trash them in Tekken until you can see they are getting angry and say hey why don’t we play game X… then let them win you have let go of winning, I just think to myself that it’s fun to play different characters and try different moves setups combos etc, all the while letting them win, giving them helpful tips here and there. let them beat you at least 4 times in a row, ( I say a couple of weeks of this depending on the ego should be enough to get them hooked) then win 1 at most…until they are more comfortable with the game, once they’re hooked, up that skill, still if you see they’re losing heart start losing again, just tell yourself your not really losing your letting them win, so it isn’t so bad, also pretending to be angry or upset when they win, works well.
Hope this helps a little, it has def worked for me even for non fighting gamers(def easier) but I’ll admit that Tekken pros won’t be that easy to pull. Winning is a drug and everybody wants it, first few 100 times are free but then, heh lol, it’s too late.