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.
Collect 30 replays, kid. Once you've done your prep and know your opponent's weaknesses, you'll be in control of the fight. Don't risk your life by rushing in blind.
Why not try fighting someone stronger than you in a Ranked Match? There's a lot you can gain from fighting stronger opponents. Beat 10 of 'em and you'll understand.