Question: how many games do you have to win to advance in the nba playoffs?
Answer: The NBA playoffs is a best of 7 game series. In your case of the team wins the first 4 games in the playoffs then it's over. By a 7 game series it means a team can be 3–1 and the team that is 2 can still come Back from 3–1 to win 4 games and win the series.