When facing familiar opponents, such as Aoba Johsai or Nekoma, Karasuno can utilize specific strategies based on their knowledge of the opponents' playing style and tendencies. They can adapt their tactics to counter the strengths and exploit the weaknesses of familiar opponents.
On the other hand, when facing unfamiliar opponents, Karasuno may focus more on their own strengths and strategies rather than tailored game plans against the opponents. They might rely on their versatility, teamwork, and quick adaptability to analyze and adjust to the unfamiliar team's playing style during the match.