ACA NEOGEO ART OF FIGHTING 3

1) Select either English or Japanese version
2) Click "Select" button
3) Go to Game setting and set the following
Set time = 10 seconds
Round = 1
Level = 1
4) Select Return to Title and click "A" to reset the game
5) Click "LB" for some credits
6) Click start
7) Select Wyler (left x 2)
8) Forward + Spam X
9) Each round should finish in 10 seconds. Win all 9 stages
10) Input your name (or press X to skip), click "A" twice to record score.
11) All 4 achievements (3/6/9 wins and mark high scores) should be unlocked

Following on from the walkthrough and the guide:

If you are like me and you beat the final fight and the achievement didn't pop, load the game in the other version (Japanese or English) and do the same. That got the achievement to pop for me. I hope this helps! :-)