Max out your speed first, then your strength. This helps in the matches because all you have to do is keep throwing hooks, then when your opponent is dazed, use your Super Punch to knock him down. After you have maxed out speed and strength, you should be able to defeat all of your opponents with ease using hooks.
Get your strength to maximum, then work on your speed. Use the X + Down and Circle + Down combo for someone like Bob Cray. If you are fighting a normal opponent, then use the Square + Down and Triangle + Down combos. For the best results, use both combos.
Easy knockdown
At the beginning of the initial fight when your opponent is approaching you, use your special power punch. This will stagger him. When he approaches you again, hit him with another special power punch, then attack him with an array of body punches. His strength will drop. Keep attacking him to knock him down and thus win the fight.
Easy Super Hits and 3X Combos
Tap R1 then immediately hold Square, Circle, X, or Triangle (depending on the character you are using).