Endgame Study #20: Bye Bye, Rook!

Hello everyone, today's endgame study is a prize problem! This means that the first 5 people to comment "solved" in the comments section will receive an award from me! Without further ado, here's the 20th endgame study that I've posted!

Scroll down for hints

Small hint: Try to fork black's rook.

Big hint: Use your bishop and knight together to try to trap black's king in the center!

I hope you guys enjoyed this study, make sure to post "solved" in the comments!