Draymond Green's last game with 30 or more points was Game 7 of the 2016 NBA Finals. Since then he has not scored more than 25 points in a single game, including regular season and playoffs.

https://www.statmuse.com/nba/ask/draymond-green-games-with-26-or-more-points-in-playoffs-and-regular-season

Heard on the The Hoop Collective. Scored exactly 25 in 2018.