Green was 8-of-10 from the field and 5-of-5 from 3-point range in the first half, helping the Warriors to a seven-point lead over the Cleveland Cavaliers in Game 7 of the NBA Finals.
The 22 points are the most points Green has scored in the first half of any playoff game in his career.
Green had scored in single digits in Games 3, 4 and 6, and he missed Game 5 due to a one-game suspension. He was 0-of-10 from 3-point range in those games.
Green made or assisted on eight of the Warriors 10 3-pointers.
Green and Stephen Curry were 11-of-18 from the field. The rest of the Warriors were 7-of-27.
This game was tight for almost the entire first half. A Green made free throw ended a stretch of 17 minutes and 25 seconds in which Game 7 was a one-possession game.