Achieved three consecutive victories in Ranked Matches, have you? It appears you are getting a handle on your power. Maintain your modesty, and focus on your training; the path ahead is long.
So you wish to learn Yoga? If that is truly the case, then first you must complete the Character Story with all characters. There is great merit in walking each of their individual paths.
Patience is key to any warrior's training. Fight in network battles 30 times using the standby function. The longer you wait, the greater the joy will be when you finally get picked.