The Old Benoni

Defence for white playing D4

https://www.chess.com/forum/view/chess-openings/a-quick-guide-to-the-benoni-defense

Bad move by white but could be played at beginner levels. Respond with 2…e6 threatening the pawn and gaining control of center

Full moves for winning rook

1. d4 c5
2. dxc5 e6
3. b4 a5
4. c3 axb4
5. cxb5 Qg5